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humidifier

  1. HVAC
    I need some help wiring this humidifier. My solenoid is powered off of the furnace disconnect switch. My furnace is a Carrier, 1998 vintage. My humidistat is the manual one. It only has two terminals. I’m not using the outdoor humidistat or humidity control from the thermostat. I just want it to...
  2. Electrical
    Hello, To begin, I know nothing about electrical other than how to connect wires. So my old Essick Air humidifier decided to fry it's board, but luckily I found a replacement board online. Unluckily, the replacement came with no diagrams, and has a different setup. The old one [image 1] had...
  3. HVAC
    I have a HONEYWELL Humidifier [HM506W1005] attached on my Furnace from the previous homeowner for quite many years. I just don't know how it works, and even doubt it never work? because I feels dry some time. How to find out if its working or not? Thanks Adam I found a picture as link...
  4. HVAC
    I broke the drain spud on my HEIL manual power humidifier, so I decided to replace the whole thing with a new Aprilaire 700M (which looks to be the exact same unit). However when the Lennox iComfort tstat calls for humidity, the new Aprilaire is unresponsive. No solenoid or fan movement. I'm a...
  5. HVAC
    I have installed an Aprilaire 600M humidifier on my Trane model 4tec3f36b1000aa. Its a heat pump with electric coil auxiliary heat. There is no circuit board in the unit and i need help on electrical connection. I would like the humidifier to only run when it calls for heat. (might need a...
  6. HVAC
    I just purchased a Honeywell HE280A Bypass Humidifier to add to my home. I currently have a Lennox SLP98V furnace with an iComfort Wi-Fi Thermostat. My furnace board does have a HUM connector and an available Neutral. I removed the plug-in transformer from the Humidifier, and instead wired...
  7. HVAC
    Good Morning All. I am in the process of installing a new bypass humidifier and came across a new issue. As per manufacturer's instructions I am installing it on the supply side. The issue is that the 'A' coil assembly it VERY tight against the supply plenum wall and will prevent proper...
  8. HVAC
    Hello, I hooked up a new thermostat which required the usage of a Common wire. Being the idiot that I am, I removed the whole house humidifier wiring (Honeywell HE120) from my furnace (Lennox Airflow 92AF1UHxyz) and didn't take a photo. <face palm>. Now I have five wires (two from the...
  9. HVAC
    Hello All, I'm trying to prepare to install my Aprilaire 700M. I'm trying to wire it the same way as the attached picture in color from the Amazon review to work with my Ecobee 4. However, my setup has a zone controller where I have two thermostats connected to the zone controller that can...
  10. HVAC
    Hey everyone, just installed a Honeywell 360A humidifier last night but have not powered it on yet. I need to get a 3/4" drill bit to get the pressure switch installed. My question is do I really need it? My understanding is that the pressure switch is used to verify that the furnace is actually...
  11. General DIY Discussions
    Hello, I had an Aprilaire 600 that I was using in Manual Mode so when i needed a new humidifier I purchased another aprilaire thinking that since the wiring was done by a professional I could just swap the wires and be done. That doesn't seem to be the case. I purchased a new Aprilaire 500...
  12. HVAC
    I have a g6RC080-16 (no manual anywhere online). I use an ecobee3 thermostat and installed it with 5 wire to my hvac. No big deal. Then I installed a new whole house humidifier since the guy said the solenoid was bad. Installed everything up in a 2-wire install and still no water coming out...
  13. HVAC
    Looking for ideas on what to do for central air and humidifier. On a one level ranch style house, a full size basement, and an oil fired boiler; baseboard heat throughout the main level with 3 zones including 1 for the indirect-fired water tank in the basement next to the boiler. I have a fully...
  14. Plumbing
    Hello, I am currently working on installing a whole house humidifier and am having trouble figuring out how to plumb the waterline to it. The closest existing line is in my water heater closet, and the line I need to cut a tee into is 3/4-inch PEX. The humidifier calls for 1/4-inch O.D...
  15. HVAC
    I have a 150 year old ~2,000 sqft house in Michigan with a natural gas forced air updraft furnace in my basement. The humidity is low. I'd like to run some kind of whole house humidifier and just spoke with a local HVAC contractor. He said my options are to cart water to one of the free-standing...
  16. HVAC
    Hi, everybody. I have a Honeywell TrueSteam HM512 with water overflow problems. The unit is 7 years old and has always been unreliable (I could tell you stories...). The problem right now is water leaking out from just below the tank gasket. The gasket is pretty beat up (heat damage), but I...
  17. HVAC
    Looking for help on installing a humidifier controller. If all I had was a thermostat and HVAC unit this would be easy since Aprilaire has easy enough install directions. The problem is that my home uses a Honeywell W8150 whole house ventilation controller. This initiates fan calls as well as...
  18. HVAC
    Hello - this post may over lap some previous ones slightly, but I could not find what I was looking for in any of the posts I searched - I do apologize if I missed something. Now that the disclaimer is over... I have 'finished' installing my Aprilaire 700 (auto) humidifier into my Trane XE90...
  19. HVAC
    Hello - I am hoping to install an Aprilaire 700A humidifier on my Trane XE90 furnace. My issue: I have fiberboard ducting. I am assuming that type of duct work will not support the weight of the humdifier. Does anyone have any experience with this or suggestions they are willing to offer on...
  20. HVAC
    I am remodeling a basement area and having a gas furnace installed. I am contemplating a humidifier option on this as sometimes the hot dry air from a furnace irritates my nose pretty badly. My basement space is about 1000 sq ft. All rough framing at this point. My HVAC contractor has quoted...
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