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Description
The Switching Relay 301P connects to one thermostat and operates a circulator and boiler to provide heating to a hydronic heating system. The 301P includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation maximize energy savings.

Features
  • 20 VA transformer
  • 3-year warranty
  • CSA approved
  • Compatible with all low voltage thermostats
  • Fuse protects pump
  • Hinged cover
  • LED for power and zone
  • Post purge
  • Pump exercising
  • Spare fuse included
  • Thermal circuit breaker protects transformer
  • Top, bottom and back conduit knockouts

Specifications
  • Control: Microprocessor control. This is not a safety (limit) control.
  • Packaged weight: 2.5 lb. (1125 g)
  • Dimensions: 6-11/16" H x 4-15/16" W x 2-7/16" D (169 x 123 x 62 mm)
  • Enclosure: Cover: ABS plastic, Base: galvanized steel, NEMA type 1
  • Approvals: CSA C US
  • Ambient conditions: Indoor use only, 32 to 122°F (0 to 50°C), RH<90% non-condensing
  • Power supply: 115 V (ac) +-10%, 60 Hz, 5 A
  • Transformer: 24 V (ac), 20 VA
  • Control load: 7.5 VA
  • Fuse: T5A 250 V slow blow, spare fuse included
  • Pump relay: 230 V (ac), 5 A, 1/3 hp
  • Boiler XX end switch: 24 V (ac), 5 A
  • Warranty: Limited 3 Year Warranty
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Manuals (2)
Specs
Product Type:

Controller

Zones:

1

Power Supply:

115V

Warranty:

3 Years

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