Recent content by milesdf

  1. milesdf

    Highest efficiency/lowest cost solution, recirc loop

    My boiler will allow a dhw priority zone which will override the outdoor reset temp, so I can dial in a setpoint for water to the heat exchanger. I can understand the comment about having shaky results using a plate type heat exchanger, which is where I think having a tank would be an advantage...
  2. milesdf

    Highest efficiency/lowest cost solution, recirc loop

    I currently have a mod/con boiler, buderus gb142-30. I'm thinking about upgrading my hot water heater, which is nearing end of life, to take advantage of the high efficiency boiler, and I've been looking into indirect hot water tanks, which seem to cost about 1000$ or more. I've also been...
  3. milesdf

    Destroying cast iron wye from the inside out

    I am replacing the entire stack, so damaging connections above is not a problem. I can secure the pipe from up above in the attic, in fact I wouldn't mind cutting a hole in the drywall and securing the pipe approx. 3 feet above the wye. The hub for the wye is hiding behind some nice tile I'd...
  4. milesdf

    Destroying cast iron wye from the inside out

    I'm going to start a project soon to gut my kitchen, exposing 2/3 of an old cast iron wye in the bathroom above. Two plumbers have now told me that the wye will probably not be able to be removed by dropping it out of the wall because the hub will catch on something, they recommend demoing a...
  5. milesdf

    Help choosing a control system and manifolds for Hydronic Heating

    I've fairly new to all of this, but I've researched the manifolds fairly heavily for my upcoming install. My input is that the actuators seem to be specialized for that particular brand and type of manifold, which makes me nervous for finding replacement parts in the future. The moving parts...
  6. milesdf

    Iron radiator piping life span

    How big are your rads/rooms? My bathroom is small and the radiator is small, so I'm assuming the 1/2" oxy pex would work well for that, there are two small bedrooms, roughly 10x11 each, with larger radiators, I'm not sure if 1/2" will work or if I should use 3/4". Have you had any issues with...
  7. milesdf

    Iron radiator piping life span

    I'm not terribly concerned with the termination method for the ox barrier pex, I was leaning towards a type A with stainless steel clamps, but regardless, all of the connections should end up exposed, and with the ox-barrier pex which all seems to be the standard size, which I'm assuming will be...
  8. milesdf

    Iron radiator piping life span

    Thanks for the input. There are 3" pipes in the basement, I think that would be another benefit of re-piping, moving away from those (eventually). Any preferences on material to replace with? Ox barrier pex appeals the most from an ease of installation perspective, I'm unsure of the longevity...
  9. milesdf

    Service life of iron and copper: 80 year old house

    Thanks for the reply. I'm somewhat worried about the waste line, I had redone the stucco on the wall where the stack is, and i remember the sheathing was cut out in places for the hubs of the waste stack to fit. I'm hoping the whole stack can be removed from the third and first floors without...
  10. milesdf

    Iron radiator piping life span

    I asked this question in the plumbing forum (as part of a larger question), but I think it might be more appropriate here. I am embarking on a full kitchen renovation soon, and will be exposing the piping for at least 2-3 of the 4 upstairs radiators in the house, which is almost 80 years old...
  11. milesdf

    Service life of iron and copper: 80 year old house

    I am embarking on a full kitchen renovation soon, and there are a couple questions I have not been able to find good answers for on the internet. I figured I would ask them here, after using this site as a resource for years, I finally have a reason to register! My reno will start with a full...
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