Polaris Loop for Aux Heat

Blackoakbob

That loop from the polaris circulates domestic water so it may be that the 007 is not turning as it is a cast iron pump. The circ pump I use is a stainless pump. Hope that helps. Best regards, blackoakbob

djwares2374646

Polaris Loop for Aux Heat

I have a Polaris DWH with a loop for aux heat backing up a heat pump. The loop has TACO items, 007 cartridge circulator , 219 Swet Chek and a HyVent. It is tied to a 80,000 Btu heat exchanger. The problem is when used below 35 degrees, when the HP compressor is locked out, it cannot maintain temp. Let alone bring the temperature up after a night time set back. Where do I start. I bled the HyVent and only water came out. Can the check valve be stuck?

Joe Mattiello

Joe
Perhaps the total dynamic head is greater then the capacity of the 007 circulator. Is this a new problem, or existing problem? That's my theory anyway.