How do I size a recirculating pump? I noticed Grundfos? makes many sizes. I’m using two 1″ – 3/4″ trunk lines that go to each end of the house and two 1/2″ return loops that T into a 3/4″ line in the middle and goes back to the storage tank type heater. Each run is about 30-40′ to the farthest outlet. How do I size it? GPM’s, size of pipe, friction loss? etc. Thanks everyone. Tad
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Greetings tadtv,
As a first time poster Welcome to Breaktime.
This post, in response to your question, will bump the thread through the 'recent discussion' listing again.
Perhaps it will catch someone's attention that can help you with advice.
Cheers
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damn, am I fat!