301P

Tekmar One Zone Switching Relay

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.

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

Factory Direct

$ 81.39

30-day money back guarantee

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Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days

Manufacturer: Tekmar

Ambient conditions: Indoor use only, 32 to 122°F (0 to 50°C), RH ?90% non-condensing

Approvals: CSA C US

Enclosure: Cover: ABS plastic, Base: galvanized steel, NEMA type 1

Control: Microprocessor control. This is not a safety (limit) control.

Warranty: Limited 3 Year Warranty

Pump relays: 230 V (ac), 5 A, 1/3 hp

Mod boiler output: 0-10 V (dc) 500 ? min load impedance / 4-20 mA 1 k? max load impedance

DHW end switch: 24 V (ac), 5 A

Boiler XX end switch: 24 V (ac), 5 A

Transformer: 40 VA, expandable to 80 VA with additional transformer M3069 (sold separately)

Fuses: T5A 250 V slow blow, two spare fuses included

Shipping Weight: 5.0 lb. (2250 g)

Dimensions: 8-3/16" H x 10-11/16" W x 2-3/8" D (208 x 271 x 60 mm)

Voltage: 115 V (ac) ±10%, 60 Hz, 20 A