302P
Switching Relay, Two Zones with Priority
The Switching Relay 302P connects up to two thermostats and operates circulators to provide heating to a zoned hydronic heating system. Zone 1 has optional priority over zone 2 and can be used to provide heat to an indirect domestic hot water tank. The 302P 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 302P provides a RoomResponse™ signal to modulating-condensing boilers to optimize comfort while improving boiler efficiency.
Features
- Priority override, pump exercising
- RoomResponse™ signal, compatible with all low voltage thermostats
- Unlimited zone expansion, zone priority
- Post purge, LED for each zone, priority, end switch and RoomResponse™
Literature
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Literature
- Brochure - Zoning with the RoomResponse Signal
- Brochure - Hydronic Zone Control Solutions
- Brochure - Zoning with the RoomResponse Signal (French)
- Installation and Operation - 302P (Sep 2019 - Present)
- Job Record - 302P (Sep 2019 - Present)
- Solutions de contrôle de la zone hydronique
- Specification Sheet - 302P
- Visio and AutoCAD Applications - 302P
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |