Tekmar Switching Relay 304P – Four Zone Expandable


$472.00

The Switching Relay 304P connects to up to 4 thermostats and operates up to 4 circulator and boiler to provide heating to a hydronic heating system. The 304P includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation maximize energy savings.

SKU: 304P Category: Tags: , ,

The Switching Relay 304P connects to up to 4 thermostats and operates up to 4 circulator and boiler to provide heating to a hydronic heating system. The 304P includes optional exercising to prevent circulator seizure when not in use, and optional post purge operation maximize energy savings.


Technical Information

Tekmar 306P Submittal

Tekmar Pump Relay Brochure


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 8-3/16″ H x 10-12/18″ W x 2-3/8″ 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

 

Weight 1.125 kg

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