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Posted by Daniel on September 05, 2011 at 14:05:22:
Anyone have advice on how to wire my Honeywell L8124L aquastat and R845 relay. I have a system with a primary loop pump and 2 secondary loop pumps that are to be connected to the L8124L via R845 relays. How do I wire this so that when a zone calls for heat it not only runs the pump connected to the zone relay but also runs the primary loop pump that is connected direcly to the L8124L. Effectively I need both zones to be able to run their ouwn pump and also run the primary loop pump when there is a call for heat on either.
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