Tekmar 301P - 1 Zone Switching Relay

Zone Control Brochure Submittal Sheet Installation / Operation Manual Tekmar 304V - Zone Valve Control, Four Zones with Priority 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 Compatible with all low voltage thermostats Pump exercising Post purge LED for power and zone 20 VA transformer Thermal circuit breaker protects transformer CSA approved Hinged cover Top, bottom and back conduit knockouts Fuse protects pump Spare fuse included 3-Year warranty Specifications Control: Microprocessor control. This is not a safety (limit) control Packaged Weight: 2.5 lbs Dimensions 6-11/16" H x 4-15/16" W x 2-7/16" D Enclosure: Cover: ABS plastic, Base: galvanized steel, NEMA type Approvals: CSA C US Ambient Conditions: Indoor use only, 32 to 122 Degrees F Power Supply: 115 V Transformer: 20 VA at 24 V (ac), 16 VA available for thermostat Control Load: 7.5 VA at 115 V (ac) Fuses: 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     PKZ2100500