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I have radiant floor heat (domestic H/W) and hot water baseboard(boiler).I'm looking for a Honeywell thermostat that would work the two heat stages (1st stage would be radiant heat,2 stage the BB...

I'm installing a Weil-McLAIN CGA-3,IT has--- cast iron sections with built-in Air Separator.Should I still install an Air Eliminator or is the Air separator all I need (I believe they are the same...

Which would be more durable in the long run, copper or stainless steel clamp.Can you use these clamps on different tubing.EX-Wirsbo has own connecting system,special tools(really expensive for...

I am wondering about securing it in the base board. If I use PEX will the expansion (PEX suppose to expand when hot), be to much inside the S/F BB

Which would be better, PEX or copper in the return of the slant-fin Base Board . I'm concerned about securing the PEX inside the S/F BB.Where or how do you secure it inside the BB.

Yes I agree with a mixing valve,you make a very good point.My problem is that if I put BBHW on a wall I have to fill the whole wall (length-boss says so,won't look right-HA HA). The cost of dummy...

If you use Pex for Base board hot water do you have to insulate it.

I'm installing BBHW (slant-fin 30).I will have to connect low temp radiate floor heat to system to a new boiler.Could I have temp set at 150 degrees,yes I know I would have to have more feet of...

I'm going to have 3 separate pumps for 3 zones,BB hot water,gas. Do you establish a flow rate for each zone (f=Q/500 X 20) (http://www.taco-hvac.com/uploads/FileLibrary/SelectingCirculators.pdf). The...

I would be using Gas as the fuel.I have thought of using a domestic water heater but the temp output is way to low.I need temp of around 180 not 130-140.Any ideas of a water heater that has a high...

I did 2 heat loss cal's and came up with 17,000 (tenant),38,000 (main apt).What size hot water boilers would be best size.Want conventional,cast iron will use with BB hot water heat. Where can I get...