The Switching Relay 306P connects up to six thermostats and operates circulators to provide heating to a zoned hydronic heating system. Zone 1 has optional priority over zones 2 through 6 and can be used to provide heat to an indirect domestic hot water tank. The 306P includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation of the last operating zone to maximize energy savings. The 306P provides a RoomResponse™ signal to modulating-condensing boilers to optimize comfort while improving boiler efficiency.
Post purge, LED for each zone, priority, end switch and RoomResponse™ | Top, bottom and back conduit knockouts | Fuses protect transformers and pumps | Priority override, pump exercising | Away signal shared between tekmar thermostats, four ground screws | Two spare fuses included | Unlimited zone expansion, zone priority | CSA approved | RoomResponse™ signal, compatible with all low voltage thermostats
Manufacturer Web Site: https://www.watts.com/ | Installation Manual: https://productcatalog.sheret.com/DocServer/DSAnonDownloadServlet?action=download&type=product-artifacts&key=DSb38d8100-7e72-4d22-8821-ad753fe41ea2 | Manufacturer Product Page: https://www.watts.com/products/HVAC-Hot-Water-Solutions/Controls/Zone-Controls/306P | Manufacturer Web Site: http://www.tekmarcontrols.com
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