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i have a WM 97 boiler and WM 85 gallon indirect tank. The tank is connected to a Taco XPB heat exchanger which supplies heat to radiant floor heating (warmboard). I also have a thermostatic valve which limits dhw at 127f. Right now, the tank is set to 145f. The sensor for the heat...

New WM97 boiler and WM Aqua Plus 85 DHW tank was installed at the end of July. We also added Thermostatic valve . Being August - we were not running any heat - but I am seeing the therms cut in half? Our water usage was the same. I was expecting a reduction of 10-15% not 50%. Is this...

I am reviewing the one document done by the last professional who installed the Warmboard manifold 18 months ago. He walked off the job with the heat not running leaving me to hire another person to install new valves to bleed the air out of the system. Two of the three Honeywell Zone Valves...

I have ran several models on the HeatLoad for the Central Heating (CH): Heat Load Pro is 48K /32K (The 32K is without air leakage) Dana's method using Energy Bill shows a max of 27K with a min of 3K for the 0 HDD Weil McLain replacement kit is 56K. Original Manual-J from 1986...

I am compiling a list of designers/installers for a new Boiler/Hot Water Heater on the Saint Paul side of MSP. Need to select someone to design a system to replace my 32 year old Weil McLain VHE Series 4 (80 BTUh) with a Triangle Tube 45 Ga indirect tank. Downloaded my energy bill which has...

First thanks to everyone who answers questions here, I am learning a lot. I am starting to plan a boiler replacement to coincide with a remodeling effort. I have started with the original manual j calculations done in 1986 ... which shows 59k BTUh. Since the original construction in 1986...