Tekmar Controls 304P Relay Panel 321894-709 Inspect the pilot adjusting key

Inspect the pilot adjusting key setting and ensure the inlet filtered screen is not obstructed by debris from the gas line

Field-Proven Reliability: The robust float-and-bellows design ensures mechanical accuracy without the failure rates of probe-type sensors in high-sediment environments

Key Benefits Universal Compatibility: Works as a voltage to current converter or vice-versa to bridge gaps between non-compatible controllers and actuators

What is the proper grounding procedure for this control

This kit is designed for standard Carrier coil configurations

Tekmar Controls 304P Relay Panel 321894-709 Inspect the pilot adjusting keyThe Tekmar Controls 304P Relay Panel is a professional grade 4 zone switching relay engineered to manage up to four low voltage thermostats and four 120V circulating pumps in hydronic heating applications. Built for technicians who demand reliability in zoned radiant floor or baseboard systems, this hydronic zone control utilizes a microprocessor based design to coordinate calls for heat with precision. The 304P switching relay features RoomResponse