Reply To: hot water radiant heat with hot water heater, trouble with return

so if i am going to install this second pump tomorrow, will I get a bigger bang for the buck by placing in on the first floor on the return from the manifold for the radiant heat loop to send the water back upstairs, rather than install the 2nd pump as a sucker which is looking like a wasted attempt. Clearly there are single story homes that have no basement that are circulating the heat through hot water and a circulator pump and likely with no elevation for gravity to aid in the traditional sense.

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