Recent content by hausfxr

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    Hydronic Backflow Valve Location

    The City specifically wants a RPZ = Reduced Pressure Zone (backflow prevention devices). https://www.supplyhouse.com/Watts-0391004-1-Lead-Free-Bronze-RPZ-009M2QT Where it is required by code to be is the question. The field inspector never addressed the heat pump and water tank. He was only...
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    Hydronic Backflow Valve Location

    I’m heating my home with an in-floor hydronic system I installed myself. I got lots of advice from online forums 10 years ago and markedly differing opinions on system configurations and components, and I ultimately decided on the simplest design that would be easy for a self-install. The system...
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    Insulating /drywall ???

    On another cautionary note, I helped a friend of mine with his garage/shop build that he’s now insulated and finished with no heat. He was discussing with me how to add heat and I suggested a ceiling mounted gas unit (I assume) like you mentioned having. He’s a fireman, and the first thing he...
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    Insulating /drywall ???

    If you already have the ceiling mounted heater installed, what’s the issue? If you only heat the garage occasionally, then leave the heater for when you need it. It’s been well over two decades since we had an extreme extended cold snap here in mild Portland Oregon, but there were many...
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    Insulation Under Slab

    Arguably the best thing you can do is put construction joints in every 12’ or so and lap one side’s ends of rebar over the joint. And that rebar that extends into the next slab needs to be greased and sleeved so the joint can move. And we simply drop the pex below the joint into the foam board...
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    Insulation Under Slab

    Nice job on the insulation and pex installation, and thanks for the progress photos and update. Too late for my two-cents on best methods, but I thought I'd chime in anyway in case someone else reads to the end of this thread. I know people are still commonly using WWF in their slabs, but it’s...
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    Kitchen venting overkill?

    It sounds like you've settled on the in-line fan, but if budget is not the primary issue, I recommend you get a roof or sidewall mount unit. The reason is that you can get a variable speed unit designed specifically for stoves, and you also will be putting the fan noise as far away from the...
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