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Thanks HJ, what you say makes perfect sense. I've chosen the Taco 006-CT pump because it supposedly turns itself off when the return water reaches the set temperature. Would the tempering valve eventually shut off water flow from the HW tank if the tempering water became too hot? It would be...

I'm about to order the parts for our hot water recirculation system and thought I'd make another inquiry for feedback here. From what others have already posted, it's apparent that I should disregard most of what the builder inspector said (but, again, it was about a one minute conversation, so...

Quite honestly, I could not recall exactly what his wording or recommendations were. I do know that his concerns included not installing a hot water recirculating without any mechanism for allowing tempering cold water to enter the recirculation flow. However, this concept was all new to me, and...

I had to watch the third quarter of the video four times before I got what the engineer was saying. If you pipe back through the cold inlet of the hot water HW tank only, then there is no back pressure to allow cold water to enter the system at the mixing valve, then the system can heat up... I...

I am currently living in my finished basement while we are renovating the upper floors. I just passed rough-in inspection for the upstairs baths and kitchen, and I mentioned to the inspector that we were sometimes running out of hot water for our shower when the basement slab hydronic heating...

Thanks Doherty, I'll aim the primer piping under slab straight toward the water heater location. P.S., Saw the pictures you posted for the Naramata Winery. Is that a normal practice to attach the piping directly to the rebar? Are they going to lift the rebar before the pour? All I've...

I've just finished the replacement of some under slab ABS rough plumbing, placed a test ball in the main drain at the test tee, and all seemed to be sealed with 10' of head. I bought the ball type tester with the chain because it was considerably cheaper than the balloon type that threads into...

I just went to the manufacturers website and found a picture that matches my diagram above so it looks like I'm on the right track.

Can anyone explain how a trap primer actually works and whether I'm installing the adapter in the right place. I've read here on this forum and elsewhere that the valve is activated by a pressure change. I'm assuming that is a change in water pressure, and I'm hoping that means that there is...

Does anyone know how this valve operates. It controls our lawn sprinkler system and I trying to turn it on for the first time, but I don’t want to force it too much for fear of breaking it. It won’t move when trying to turn it either clockwise or counter clockwise. It has just a little...

Thanks for the replies -- I've been on vacation, so haven't had a chance to read them. HJ: There is no way to get the sink drain closer. My understanding is that the tap drip will substitute for the wash of an active fixture. Terry: I've tried to find a specific exception in the UPC...

I'm replacing an old basement floor drain that neither has a trap or a vent. The drain is in the lowest spot in the basement and is required for the occasional foundation leak. The new drain will be inspected. I've read quite a bit on this forum about the necessity for a trap primer and I...