Description
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
