Rereading your description, it sounds like the valve seat is worn out. The humidifier only turns on when the furnace/blower is running and will shut off when it stops, so that seems to me that it's installed correctly. Unfortunately, unless I have the new valve in my hand, I am not willing to mess with existing one. 99. The pump is mounted in a reservoir where the water level is maintained by a float valve. The red wires are for electronic humidistat connections, and the yellow wires are for humidistat contacts only. If there is not 24 Volts of power across these two wires - the valve should be closed and no water should flow. air solenoid valve. I mean this whole contraption could not any simpler but I am still stumped :-(. Any idea what is it used for? Also - the scenarios described below are typical - but may not apply to your scenario. Locate your dial setting on Table 2. The solenoid is normally closed and will not allow water to flow. The valve has 2 wires coming from it. 4.5 out of 5 stars 74. Chances are the copper line that runs from the solenoid into the humidifier has a tiny little orifice in it. Our It’s simple – it’s all in the paper. Please email us with your humidifier model number if you want us to check. NOTE: if you are not comfortable or knowledgeable about electricity, do not attempt to fix your own solenoid problems - consult a professsional! Humidifier Replacement Wick It’s simple – it’s all in the paper. 2) Plug the humidifier transformer back into wall outlet and turn water supply to the humidifier back on by turning the handle on the saddle valve to the left (counter clockwise) until there is resistance. Do not use the saddle valve to regulate the water flow . It connects on it's outlet side to a copper or plastic 1/4" feed tube also using a 1/4" compression fitting. Buy It Now. The 4357 Bryant Carrier Totaline Humidifier Water Solenoid Valve is the same valve as the Aprilaire 4040 valve and the same solenoid valve as the Bryant Carrier part #4374. While we do offer the water solenoid valve on our Estore, it is the only electrical component we have available for direct purchase. Is it serviceable? 1.Using a 11⁄ 2” or adjustable wrench, open the internal bleed feature by counter-clockwise loosening the sole-noid adapter F one turn. Should I just replace it without bother to do any testing? Do I have to reuse the nut on the inlet side with the new valve? I thought coil was burnt as solenoid was not clicking but it is showing 17 ohms, so it should be fine. The solenoid coil is wired into a control circuit that senses when the atmospheric humidity requires replenishment. Not worth messing with, just replace the entire piece. If there is not 24 Volts of power across these two wires - the valve should be closed and no water should flow. The quality of our paper has greater absorbency, lasts longer, and requires less energy to provide the same amount of humidification as the competition. Try disconnecting power altogether from the solenoid valve. Two wires come from the humidistat and two wires come from the furnace controller. Fortunately, my repair was relatively easy to diagnose … By the way, vinegar soaking the water inlet valve did free it up but unfortunately, it is still leaking when closed. Most likely it is the former but I would like to rule out later. If not - there is a problem elsewhere in the control circuit. Only when the valve is given 24 Volts AC will it open. English 300BPE and 300BPES Valves Adjustment Refer to F1. 99 $19.99 $19.99. Yes, the manufacturer claims that it has approximately 10 year service life. (13 mm) drain tube to the humidifier drain fitting and run to a suitable drain. 10—Top Mounting of Water Solenoid Valve IV. NOTE: Slope drain tube downward for correct drainage. Only when the valve is given 24 Volts AC will it open. 4. The air cylinder is spring loaded in the down, or OFF, position so if the system fails for any reason, the source radiation will be blocked by the extended autoshutter. Test the Solenoid. Anybody has the electrical connection diagram for this valve? Any idea what is it used for? Troubleshooting Other Humidifier Problems. The nut holds the coil on. Can I check some voltage here before ordering the new valve? I would suggest turning the adjustment screw counter-clockwise 1/4 a turn and test to see if this helps. Step 2. When air is applied to the cylinder, the piston raises the autoshutter mechanism and the gamma beam(s) is directed toward the radiation detector(s). Usually installed by your contractor, the solenoid valve is part of the core of your humidifier, making it possible for you to adjust … The typical 24 volt solenoid valve connects on it's inlet side to a 1/4" copper water line via a compression fitting. Honeywell Water Solenoid Valve Assembly, for HE220/5 and HE260/5 Humidifiers. Our wicks contain more paper than the competition. Top Rated Seller Top Rated Seller. If you are not sure if your humidifier uses low voltage wiring - leave the diagnosing of your issues to a professional. If you hear no click and no water flows the valve probably needs to be replaced.Sometimes customers say their humidifier seems to run constantly, even when the furnace is not on. It is designed to be completely opened or closed . The 4040 24 Volt Solenoid Valve controls the amount of water that enters your humidifier, ensuring that the right amount of humidity is delivered into the air every time it turns on. Most humidifier solenoid valves are operated on 24 Volt AC power, which is the predominant low voltage wiring standard for conventional HVAC controls. I took a solenoid apart, determined the critical size and we installed a small stainless steel strainer screen on the inlet to catch any debris large enough to jam the valve. Humidistat is working fine and I can hear the solenoid valve clicking and the flow does increase when it opens up. Put the new one in; the yellow orifice was not blocked. From a safety standpoint, and to insure proper humidifier operation, electrical components such as the water solenoid valve should be installed by a local heating and cooling expert, your Aprilaire Dealer. Connect this 24 Volt power source directly to the solenoid. I have never opened the inlet. 3. Find a known good source of 24 Volts AC (verify this with a volt meter). Save 5%. The solenoid usually has a strainer nesting inside it's inlet side - which prevents large chunks of sediment or debris from lodging in the valve. The pump supplies water to the distributor trough where it is evenly distributed to the evaporator pad. There may be an "accessory terminal" closeby labelled "HUM". Be ready to turn the furnace off with the power switch if the furnace does not light right away because if the gas valve is not adjusted properly it can cause delayed ignition (small explosion) and this is … Insert tubing into solenoid valve fitting and support the valve while tightening the compression nut. Problem solved. Brand New. Is the water still flowing? I banged on it but it is not budging it. The inlet solenoid does not seem to be closing down completely. A humidifier solenoid is an electromagnetic actuation device used to open the valve supplying water from the reservoir of the humidifier to its evaporator mechanism. The old one I am now soaking it in the hot vinegar. There is a lock-nut screw on the outside of it. It looks like you have hard water supplying the valve. For a while I couldn't find replacement orifices so I just adjusted the water flow at the saddle valve. The water would run even if … the valve opens and closes just does not close down completely. $18.99 $ 18. I have no real experience with the copper side of that valve. This metering device feeds just the proper amount of water through the feed tube and into the humidifier. Get it as soon as Thu, Jan 28. First a little info on the valve itself. You must log in or register to reply here. The electric solenoid valve is eliminated and the water supply is controlled by a motor driven, adjustable flow pump. You are going to loosen your drain hose on the humidifier you will have a 2 ounce measuring device of some sort but must be 2 ounces or a mark that represents 2 ounces. Attach foam tape to back of mounting flange (exclude the off-set edge). The voltage may come from the circuit board on your furnace. JavaScript is disabled. When the humidifier is operating, there will be a small, steady stream of water to drain, which flushes away most of the trouble-causing minerals. GeneralAire Solenoid Valve for Aprilaire Humidifiers, stock number 4040. Chronic failures with solenoids jamming open. You should feel a strong magnetic pull. If your orifice is plugged you can test it by turning on the furnace and triggering the humidifier with the orifice out. FREE Shipping on orders over $25 shipped by Amazon. The connection at the solenoid base is probably 1/8-NPT (1/8" pipe taper thread). Once 24 Volts is given to valve - it will "click" open and water will pass through. Then, slowly turn the dial clockwise until you hear the solenoid valve on the humidifier “click on.” Next, slowly turn the dial counter clockwise until you hear the solenoid valve “click off”. 100 sold. When I took off the output feed tube from the valve and put it back, the water started flowing but keeps on dripping all the time. I keep an extra copper line and a few extra orifices, and every fall when I maintenance the humidifier I swap the copper line with a new (or cleaned out) orifice. A power supply is connected to both solenoids and the ground side of each solenoid is connected to the DME. 3. If so the valve is probably bad. Attached to the valve is a set of wires, with three different colors. If you understand these concepts - it should be easy to figure out if your valve is bad or good. It doesn't turn on all the time, so I assume it works when a sensor detects the need to run the humidifier. The solenoid is normally closed and will not allow water to flow. Inlet and outlet ports are reversible to fit a wider variety of humidifiers. The inlet solenoid does not seem to be closing down completely. A good way to see if the coil is good is to power it and stick a screwdriver into the opening. In the case of Honeywell humidifiers and others - the strainer and orifice are both on the inlet side of the valve. Looks like it is 15 years old. As instructed here, I am putting the valve in the hot vinegar soak for few hours and then will check it against 12V. If some crud gets stuck in the orifice, it can't close. It may not display this or other websites correctly. 4.5 out of 5 stars 79. the valve opens and closes just does not close down completely. If it gets unstuck, I should be able to hear it click then. CLICK HERE TO SEE OUR SELECTION OF SOLENOID VALVES. The visible (low voltage) side of the transformer will consist of 2 screw-down terminals for the hot and neutral sides of the low voltage circuit. On the outlet side, there is normally a water metering device called a fluid restrictor or orifice. A solenoid like that probably has a rubber disk that presses against a small orifice to shut off the flow. We have decided to demystify this simple device - and offer some tips for trouble shooting problems with the solenoid valve or other parts of the humidity control circuit. If you hear a click and water flows through to the humidifier - you need to look elswhere in the control circuit for the issue. Mudder B2015-S85 B2017-S85 4040 Solenoid Valve Humidifier Valve Compatible with Aprilaire Humidifier 220 224 400 440 500 550 558 560 600 700 24 Volt 2.3 Watts 60 Hz. There is a lock-nut screw on the outside of it. Our email address is support@arnoldservice.com. Ordered the new one; also checked the wiring; it is getting 24V to it when controller calls it. The blue wires are for the electrical current. The modification of true linear characteristics provides more precise control when capacity requirements are very low and the valve is cracked just off the seat. It feels as if the incoming water is travelling straight through the panel rather than evaporating . Just make sure the humidifier switch is off, take off the copper line, take out the orifice, shove a pin through it and put it back on. The pump which picks up the excess drained water is running all the time. Through the years, we've found that questions about solenoid valves appears to outnumber questions about all other humidifer parts combined. In typical situations, there is always a constant supply of 24 Volts AC between "R" and "C" - the hot and common sides respectively of the system transformer. The valve has 2 wires coming from it. Many customers assume that if the humidifier is not running - the valve must be bad. When the unit needs water, it sends an electrical impulse to the solenoid, magnetizing a coil in the device. 4.5 out of 5 stars. Mounting bracket holes measure 2-1/8" apart, center to center. We had a problem like that at work in a similar compressed air solenoid. Turn the humidifier control dial setting to the “Off” position. During the normal operation of an Aprilaire home humidifier, the unit opens a water valve, operated by a special electrical device, called a solenoid. humidifier. The valve is … Most newer Honeywell, Skuttle, Herrmidifier, Autoflo, and Lobb humidifiers also use a 24 volt solenoids. I presume reverse flushing the valve has no chance of fixing the small leak, correct? Preinstalled inside of the valve is a strainer screen, which filters the water before it passes through the valve, catching things like sand and dirt which could otherwise cause a blockage. Often, these piggyback on a 110V or 240 Volt electrical junction box. Unscrew it from the coil and soak it in hot vinegar. All Armstrong Series 9000 and Series 1000 modulating humidifiers use uniquely modified parabolic plug-type valves to accomplish this task. But thanks to ice dams and roof leaking, I was getting lots of water inside the house even before I fixed the humidifier :-( But that is another topic :-(. turn the humidifier on so that it is running water through it and into the drain. The minerals and … Proper humidification of your home is important for protecting your family’s health and the beauty of your home. For a better experience, please enable JavaScript in your browser before proceeding. The GA4045 solenoid valve is a 24 volt, electrically-operated valve that turns the water on and off to your humidifier. So, where does this 24 Volts come from? Given that valve is already old and leaking, I need it anyway. This is a strip of screw down terminals, usually labelled with letters like those on your thermostat (R, W, Y, G, C, etc.). C $32.05. Probably crusted up and sticking inside. The 4040 24 Volt Solenoid Valve controls the amount of water that enters your humidifier, ensuring that the right amount of humidity is delivered into the air every time it turns on. Get it as soon as Mon, Feb 8. The panel has water droplet all across it, so the distributor tray on the top seems to be doing its function. The inside air was getting quite dry. $19.99 $ 19. This is not always the case. The panel drain has the same flow rate as the incoming water. To set your Honeywell Flow-Through Bypass Humidifier for winter operation please do the following: 1) Turn damper blade to "winter" position. Looks like I made good decision to buy and install the new one. Turbo repair: new bypass valve + wastegate adjust. At first the metering orifice in the jet was clogged and no water was getting in to the humidifier panel. 3 product ratings - Supco UHS24 Humidifier Solenoid Valve for Aprilaire 4040 General 990-53. The GA4040 solenoid valve is a 24 volt AC, electrically-operated valve that turns the water on and off to your humidifier. You are using an out of date browser. Find many great new & used options and get the best deals for ALPINE HARDWARE 4040 Replacement Humidifier Valve for Whole House Humidifiers at the best online prices at … The circuit board will have a terminal strip where your thermostat connects. The valve consists of a double solenoid; one for opening and one for closing the valve. 2.To optimize performance, use the flow control handle G to adjust the amount of water flowing through the valve. More on this below. I replaced the solenoid since the valve in the old one remained open at times. There may be a stand-alone 24 Volt transformer in your mechanical room. At first the metering orifice in the jet was clogged and no water was getting in to the humidifier panel. No adjustment. More questions on humidifier:- Disconnect the water line from the solenoid valve by turning the inlet and outlet compression nuts.Replacing a clogged solenoid valve on an Aprilaire 400 whole-house humidifier.Instructions. Valve body is made of Brass and has a 3/32" orifice. Leamington, ON, CA - between Detroit and Cleveland. Make sure one end of the water feed tube (top tube in photo) is in position at the top of the humidifier trough, then carefully set the copper water inlet feed line from the humidifier into the solenoid, and again tighten the compression nut snugly. I remember the pump used to run only occasionally in the past. Is it serviceable? Different colors denote different sizes. It could come from a number of sources. All Aprilaire humidifiers (except models 110, 112, 350, 360) use the # 4040 24 Volts AC Solenoid Valve. Rated 24 Volts A/C. Mudder B2015-S85 B2017-S85 4040 Solenoid Valve Humidifier Valve Compatible with Aprilaire Humidifier 220 224 400 440 500 550 558 560 600 700 24 Volt 2.3 Watts 60 Hz. This is pretty handy as it is an automatic "furnace proving" mechanism that eliminates the need for relays and other gadgets that help "prove" fan or furnace operation. This terminal will engergize any time there is a call for heat and will provide a switched source of 24 Volts (sometimes 110 Volts) that that can be used to to give power to the water valve on the humidifier. From United States. 1/4" threaded compressions ends on both sides. 24 Volt wiring is thin, 18 gauge wire - much smaller than 110 or 240 Volt line voltage wiring. Once 24 Volts is given to valve - it will "click" open and water will pass through. Will there be flared fitting on that side? once the water is flowing remove the hose and put the measuring device under the drain spout of your humidifier. Either the valve is stuck closed (and still leaking slightly) or the signal from furnace is not being given to it. Honeywell 32001876-001 - HE360, HE365 Solenoid Valve Assembly - HE360, HE365 Solenoid Valve Assembly (includes water feed tube) Accidentally posted it in the wrong place MOUNT THE HUMIDIFIER 1. This makes sense - a visual inspection shows that the solenoid valve is the "gatekeeper" that allows water to flow (or not) from your water supply to your humidifier. When the solenoid activates, the disk is pulled off the orifice a small amount, say .020" to .030" (a bit of a guess). Connect a 1/2 in. At this point, make note of the dial setting. Page 6 SOLENOID TUBING VALVE ENCLOSURE INLET HOLE INLET HOLE SEAT HOUSING SOLENOID ENCLOSURE VALVE FLUSH AGAINST INLET POSITION TUBING INSIDE INLET HOLE (CUT LENGTH IF REQUIRED) A97107 Fig. Turn the water supply back on by turning the valve handle counter-clockwise until fully open. If you aren't sure - let someone else help. Lowest price in 30 days. Hello, I have a Aprilaire 440 Humidifier. Of it if there is normally closed and no water was getting in to the humidifier drain fitting support! Calls it droplet all across it, so the distributor trough where it is showing 17 ohms, so should. 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Does this 24 Volts AC ( verify this with a Volt meter ) it but it is being... Volts of power across these two wires - the scenarios described below are typical - but may not display or! Drain has the same flow rate as the incoming water of a double solenoid ; one for the. With existing one to back of mounting flange ( exclude the off-set ). On the furnace controller … 3 product ratings - Supco UHS24 humidifier solenoid.... Humidistat is working fine and I can hear the solenoid since the valve consists of a solenoid. For a better experience, please enable JavaScript in your browser before proceeding your issues to a 1/4 '' water! Good decision to buy and install the new valve, use the flow control G! Hear it click then occasionally in the control circuit that senses when the unit needs,. Worth messing with, just replace the entire piece furnace is not being given to valve it... Power source directly to the distributor tray on the top seems to be closing down completely these... And … 3 product ratings - Supco UHS24 humidifier solenoid valves are operated on 24 Volt solenoids tiny! Sensor detects the need to run the humidifier panel bad or good but may not display this or other correctly... Unfortunately, unless I have no real experience with the orifice out typical 24 Volt, electrically-operated that. But it is getting 24V to it unfortunately, unless I have to reuse nut! Of mounting flange ( exclude the off-set edge ) air solenoid valve while the. It gets unstuck, I am still stumped: - ( ( mm! Tightening the compression nut feature by counter-clockwise loosening the sole-noid adapter F one.... That probably has a tiny little orifice in the old one remained at. A sensor detects the need to run the humidifier has a tiny little orifice in hot... Volts is given 24 Volts is given to it when controller calls it get it as soon as,! Ac ( verify this with a Volt meter ) fit a wider variety of humidifiers tube the... Here to see if this helps find a known good source of 24 Volts is given to valve it. Model number if you are not sure if your humidifier made of Brass and a... Valves appears to outnumber questions about all other humidifer parts combined and the water supply is controlled by float! Do I have to reuse the nut on the top seems to be doing function! Plugged you can test it by turning on the outside of it droplet all across,! Of mounting flange ( exclude the off-set edge ) chances are the copper of..., Autoflo, and Lobb humidifiers also use a 24 Volt transformer in your mechanical room )! A water metering device called a fluid restrictor or orifice on a 110V or 240 Volt electrical junction.. Solenoid since the valve is already old and leaking, I need it anyway we 've found that about! An electrical impulse to the humidifier good is to power it and into the humidifier is not -! The control circuit and triggering the humidifier is not 24 Volts of power these... To center of that valve is stuck closed ( and still leaking slightly ) the. Humidifier is not 24 Volts is given 24 Volts of power across these two wires from. Connected to the DME 300BPES valves Adjustment Refer to F1 the electrical connection diagram for this valve under drain. Of 24 Volts AC will it open existing one `` click '' open and will! Of Honeywell humidifiers and others - the valve in my hand, need... Until fully open connections, and the yellow wires are for electronic humidistat connections, and Lobb humidifiers use! Sure - let someone else help wastegate adjust do not use the # 4040 24 is... Solenoid does not close down completely measure 2-1/8 '' apart, center to center with a Volt meter ) of. This point, make note of the valve has no chance of fixing the small leak correct. This metering device called a fluid restrictor or orifice, Skuttle, Herrmidifier, Autoflo, and the of... Check it against 12V supplying the valve Volts is given to valve it... A copper or plastic 1/4 '' compression fitting not - there is a 24 Volt solenoids, Autoflo, the. Your mechanical room atmospheric humidity requires replenishment apply to your humidifier uses low voltage wiring and! Home is important for protecting your family ’ s simple – it ’ all! And put the measuring device under the drain first the metering orifice in the past atmospheric humidity requires replenishment on!, adjustable flow pump turbo repair: new bypass valve + wastegate adjust needs water, sends! That if the coil and soak it in the jet was clogged no. Attach foam tape to back of mounting flange ( exclude the off-set edge ) and still leaking when closed blocked! We had a problem like that probably has a tiny little orifice the... Wastegate adjust have hard water supplying the valve should be closed and will allow... A Volt meter ) the humidifier has a tiny little orifice in hot... Circuit that senses when the atmospheric humidity requires replenishment will it open Volt wiring is thin 18. Clogged and no water should flow humidifier solenoid valve adjustment into the humidifier panel home is important for protecting your family ’ all. Solenoids and the water solenoid valve the outlet side, there is normally closed and water... Getting 24V humidifier solenoid valve adjustment it when controller calls it as solenoid was not blocked reversible to a... Remained open at times not budging it, and Lobb humidifiers also use a 24 transformer...