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Multiple Circulator & Zone Valve Relays with Post-Purge?
Looked at a HW job yesterday with six circs and four zone valves. The control system for this looks like someone threw a whole bunch of spaghetti onto the wall and it stuck. Since we'll probably be re-wiring this, does anyone know of a mutiple circulator or zone valve relay that will allow the circs to purge some of the heat out into the zones after shutting off the burner?
All Steamed Up, Inc.
"Reducing our country's energy consumption, one system at a time"
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Baltimore, MD (USA) and consulting anywhere.