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  1. DrBoom

    Hot water recirculation question

    For our purposes, it means that using the pump needs to be carefully timed to match usage. If we just turn it on for a couple of hours around the time we anticipate using hot water, or run for 20 minutes an hour or something to make sure we have hot water all the time, the usage is so high that...
  2. DrBoom

    Hot water recirculation question

    were you able to insulate your lines during the plumbing effort in support of this recirc pump? We just installed the Watts system using the mixing valve at the endpoint (actually, I installed the taco valve since it was way better reviewed) and I'm quite surprised at the heated water drain on...
  3. DrBoom

    to drain or not to drain, that is the question

    We've installed a heat pump water heater so that our boiler serving an indirect superstor hot water tank can be turned off in the non-heating season. Should I drain the superstor or leave it full? When/if I decide to use the superstor again, do I need to do anything to the water in it? That is...
  4. DrBoom

    Use permeable PEX for potable water (DWH)

    Thank you. The existing pipe runs I'm trying to re-use say NSF-pw on them which I think means they are safe for potable water but I'm looking for better verification that I'm correctly understanding the combination of markings and standards. As this run would become part of the potable water...
  5. DrBoom

    Use permeable PEX for potable water (DWH)

    I'm thinking about adding a heat pump water heater in a difficult to plumb location. We happen to have PEX to/from there for an old hot tub heat transfer system that heated the hot tub from the house boiler. We're never going to use that run for it's intended purpose (hot tub is conventional and...
  6. DrBoom

    Extending vent stack past snow

    Why do you believe the boot is at fault? We can go many weeks with the boot fully engulfed in snow without a problem and, then, have a leak for a day or two when enough snow covers the top of the pipe. I'm trying to understand what mechanism you are suggesting would lead to water coming...
  7. DrBoom

    Extending vent stack past snow

    I'm reasonably confident that the fitting is not open. The light flare is because that section of attic is very confined and I'm on a telephoto lens connected to my phone with a flashlight pointed down the section. It is very dark down in the confined section with additional light. I cannot...
  8. DrBoom

    Extending vent stack past snow

    The below picture is from the attic. Clearly, no trap. That was my mistake as it was a while I climbed to that section of the attic. I can only assume that one of the many connections visible in this picture OR another one not visible in the walls or attic is the problem. The picture quality...
  9. DrBoom

    Extending vent stack past snow

    We only have water intrusion when the top of that particular stack pipe is covered (snow height over the pipe completely covering it) with snow (like twice a year). The water isn't coming in through the boot or we would have a problem for the months the roof (and boot) is covered with snow each...
  10. DrBoom

    Extending vent stack past snow

    We don't have an ice dam problem. I can say this with high confidence because we did once upon a time and have put significant efforts in mitigating. In addition, we only have this water intrusion when the snow is above the height of the vent and only briefly. We can have lots of snow on the...
  11. DrBoom

    Extending vent stack past snow

    We've had a problem with a ceiling leak during larger snow accumulations that I'm reasonably confident is caused by snow covering one of the vent stacks and leaking from one of the vent stack joints in the attic. Unfortunately, the section of attic where I suspect the joint is a problem is far...
  12. DrBoom

    Add Heat Pump to boiler heated indirect

    Thasnk phog. I have no intention of dismembering a hybrid system. It seems that perhaps there isn't a good option now that the Nyle unit is discontinued. If I find a great deal on a large tank hybrid to run in parallel (valve off the indirect in the summer), then perhaps that would be worth it.
  13. DrBoom

    Add Heat Pump to boiler heated indirect

    My understanding is that the superstor indirect tanks essentially last forever as opposed to a typical hot water heater that will fail in a decade give or take depending on how effective the anode (w/replacement) is. I use ~200 gallons of oil during the non-heating season in NH even with a...
  14. DrBoom

    Add Heat Pump to boiler heated indirect

    I was originally hoping for something that would take advantage of the indirect tank with all of the associated benefits. Since that doesn't seem to exist, you are probably correct about the best alternative.
  15. DrBoom

    Add Heat Pump to boiler heated indirect

    I was thinking of putting the hybrid as a preheat before the indirect. I use about 200 gallons of heating oil during the non-heating season for hot water so it seems like I have a substantial potential savings. It seems that Nyle doesn't make that unit anymore and I'm not finding any...
  16. DrBoom

    Add Heat Pump to boiler heated indirect

    What about adding a hybrid water heater in series before the superstor? Given electric costs in NH, I could leave the hybrid in heat pump only mode and lower the set point on the indirect hot water from the boiler to deal with any shortfalls. Thanks, Jon
  17. DrBoom

    Add Heat Pump to boiler heated indirect

    Bumping my old question. I'm still looking for ways to use the boiler less during the non-heating season. Are there any good ways to add a heat pump to my indirect hot water system? The goal is cost savings as the existing system keeps up just fine. Thanks, Jon
  18. DrBoom

    Buderus G215 with baffles removed

    We have an oil fired Buderus G215 with a beckett burner providing heat and hot water. The unit is about 12 years old and was installed by the prior owners during a major renovation. We've been using the same company as the prior owners to service the Buderus but they have limited Buderus...
  19. DrBoom

    1" to 3/4" main for DWHR

    Not a 3rd party seller and not a warehouse deal. They only had 1 and I'm guessing it had been in the warehouse too long and got clearanced but that's just a guess. Hope someone else can use the R3-54 they are selling cheap. Thanks again, Jon
  20. DrBoom

    1" to 3/4" main for DWHR

    Your are absolutely right that 1" isn't throughout the house but I do have 1" going to some of the various distribution points around the house. From what I can get to without tearing out walls, I could only feed 1 shower's cold inlet from the power-pipe. The hot water heater is all the way...
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