303P | 3 Pump Switching Relay | Tekmar
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303P | 3 Pump Switching Relay | Tekmar

Brand: TekmarSKU: 303P
Tekmar | 303P
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Overview Details for 303P

3 Pump Switching Relay

The Switching Relay 303P connects up to three thermostats and operates circulators to provide heating to a zoned hydronic heating system. Zone 1 has optional priority over zones 2 and 3 and can be used to provide heat to an indirect domestic hot water tank. The 303P 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 303P provides a RoomResponse™ signal to modulating-condensing boilers to optimize comfort while improving boiler efficiency.

Features

  • Pump exercising, post purge
  • Four ground screws, Top, bottom and back conduit knockouts
  • LED for each zone, priority, end switch and RoomResponse™, away signal shared between tekmar thermostats
  • Two spare fuses included
  • CSA approved
  • Unlimited zone expansion, zone priority
  • Priority override, pump exercising
  • Fuses protect transformers and pumps
  • RoomResponse signal, compatible with all low voltage thermostats

Specifications

Item Number 303P
Brand Tekmar
Category Zone Control

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