Raycaster Posted January 2, 2021 Report Posted January 2, 2021 Had a new furnace installed last year and everything great but now in winter we definitely need a humidifier as throats are sore etc... Bought a AprilAir 700 and looked easy enough to install, I'm a pretty handy guy. But...before cutting into the furnace I'm hoping for a few hints as my furnace is providing obstacles figuring out where to mount things. 1) Right away my obvious 1st choice spot is blocked by a 2" venting pipe! Can I just simply reroute this pipe? Is there a code limit to bends? I would use proper gas fitting etc... 2) Second choice is almost too tight and maybe not even possible. 3) The cold air return looks EASY but this seems like plan C and seems dumb... 4) I am concerned that on the opposite side of the the first choice location (if I reroute vent pipe) has 3 AC? 1 is insulated, 1 is copper line and one is a 1" drain? I have a nephew that does HVAC that I will bug later for confirmation but this shouldn't be so tough... I think my old one took an hours to install...
Raycaster Posted January 2, 2021 Author Report Posted January 2, 2021 So speaking to a hvac guy... Yes I can reroute vent. There will be a A Coil right there that I must be careful of. Damn, its looking more and more like plan C...
captpierre Posted January 3, 2021 Report Posted January 3, 2021 I haven’t turned my Aprilaire humidifier on yet. Humidistat says about 40% humidity. Buddy told me to get them to install with 1/4” copper water line and proper on and off valve. Not the plastic crap. Can’t help you with location. Good luck.
Raycaster Posted January 3, 2021 Author Report Posted January 3, 2021 Thank you for the reply. I think I can squeeze it in above the A Coil barely. I diagrams are a little out of scale so its hard to show but look do able... (Stage 1) - Moving vent pipe today
Raycaster Posted January 3, 2021 Author Report Posted January 3, 2021 Yes I will be using 1/4" copper off the hot water line, seems like a lot of wasted water...
captpierre Posted January 4, 2021 Report Posted January 4, 2021 11 hours ago, Raycaster said: Yes I will be using 1/4" copper off the hot water line, seems like a lot of wasted water... Why hot?
ketchenany Posted January 4, 2021 Report Posted January 4, 2021 mine is connected to the “cold” line that goes to the water heater!
BillM Posted January 4, 2021 Report Posted January 4, 2021 Warm water evaporates better then cold water. I installed an Aprilaire 600 in my last house. Pretty simple install but used a proper off/on valve not the one you get in the kit. Any questions just ask.
Raycaster Posted January 4, 2021 Author Report Posted January 4, 2021 Rerouted vent pipe today, tomorrow will start humidifier. Now that Im convinced I can squeeze in it above the A Coil it should be straight forward. The 600 unit looks like a standard bypass unit. The 700 has a fan , remote tmp sensor and digital humidity sensor with control. Has the option of controlling the furnace fan also etc. Not too much more than a standard bypass but a few more details Im just triple checking. Will install tomorrow and just need to order some 1/4” copper tubing for the hot water supply. Instructions are specific using hot water.
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