Description
The Tekmar 301P is a single-zone switching relay that controls one circulator and one boiler. Designed for hydronic heating systems, it offers features like pump exercising, post-purge for improved efficiency, LED diagnostics, and a hinged cover for easy access. Ideal for radiant heating or baseboard systems requiring simple and reliable control.
Features
- Controls one thermostat, one circulator, and one boiler
- Pump exercising and optional post-purge functionality
- LED indicators for zone calling and power status
- 24V transformer included (20 VA)
- User-replaceable fuse and spare fuse included
- Hinged steel cover with multiple conduit knockouts
- CSA C/US listed, NEMA Type 1 enclosure
Specs
| Agency Approvals | CSA C US |
| Ambient Conditions | Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 90 percent non-condensing |
| Control Load | 7.5 VA at 115 V (ac) |
| Control Type | Microprocessor control, is not a safety/limit control |
| Dimensions | 6-11/16" H x 4-15/16" W x 2-7/16" D (169 x 123 x 62 mm) |
| Enclosure Material | ABS Plastic, Glavanized Steel |
| Enclosure NEMA Rating | NEMA 1 |
| Markets | Multifamily Homes, Single-Family Homes, Small Commercial Buildings |
| Power Supply | 115 V (ac) plus / minus 10 percent, 60 Hz, 5 A |
| Pump Relay | 230 V (ac), 5 A, 1/3 hp |


