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  • Upcoming Events

    • Appliantology Live Dojo, Saturday, 4/27/2024 @10 AM ET
      27 April 2024 02:00 PM Until 03:00 PM
      0  
      All Appliantology tech members are invited to join in this workshop on all things Appliantological: bidness, customers, tools, troubleshooting, flavorite brewski, whatever. Webcams and microphones are open and live!
      This workshop is also a great time for any students at Master Samurai Tech to bring any and all questions about the coursework. We're happy to walk through any concepts you're having trouble with. Think of it like office hours with your teachers. 
      If you have a specific appliance problem you'd like us to talk about, post it here! We need a problem statement and a PDF of the tech sheet or schematic so we can all see it on screen share. If you have a PDF that isn't already in the File library here at Appliantology, send it to us by attaching it to the contact form. 
      Also, follow this Calendar Event so you'll get notified of new posts here. Look for the "Follow" button either at the top of the topic on desktop or below the topic on mobile.
      Who: This workshop is only available to tech members at Appliantology.
      When: Saturday, April 27 @10:00 AM Eastern Time.
      Where: Online via Zoom
      How:
      Click here to go to the forum topic with the registration link. If you're interested, register now. Arrive a couple minutes early to make sure your connection is working. Set a reminder for yourself for this workshop so you don’t miss it.  And check out past workshops here: https://appliantology.org/announcement/33-webinar-recordings-index-page/

Good New Year to all who have helped me over the years, those to come!

torchkeeper

By torchkeeper
in DIY Appliance Repair Help

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torchkeeper

torchkeeper

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Posted

My 12 year old Bosch/Takagi was moved to new home on same lot . Right on shore of Lake Ontario. Exhaust was on leeward side, 12 years no problem ever. The recent sub-zero winds off lake 30 degrees below F.  Wind came in exhaust with factory hood. Bought a new 199,999 btu. A.O. Smith/ Takagi 540-t-h3 indoor model. It has electric heating blocks that come on when otdoor tepm reaches 36 drgrees f. They also sell a backflow preventer , to control wind flow back into heat exchanger. Question is has anyone installed one of these backflow preventers? Seems it is 4 inch but exhaust is 3 inch pvc. You have to tap in a 3 inch pvc coupler directly into heater. the guys at the plumbing supply house have yet to sell one! They seem to think it is nova-vent . I don`t want a new freeze-up situation. What is everyones opinion?

Thanks as always !

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