Tjernlund Products UC1 Interlock Controller 322057-301 Key Benefits Multi-Speed Flexibility: Features

Key Benefits Multi-Speed Flexibility: Features a 3-speed design that allows for precise airflow tuning based on the system's static pressure requirements

the high and low ports are reversed

The Maxitrol R11110-36 is a precision-engineered plated spring specifically designed for field conversion and pressure adjustment in RV110

this board is frequently found in Heil

the 634686 wire harness is used extensively across Intertherm

Tjernlund Products UC1 Interlock Controller 322057-301 Key Benefits Multi-Speed Flexibility: FeaturesThe Tjernlund UC1 Universal Interlock Control is an essential component for technicians managing draft inducer and power venter installations. This interlock controller acts as the central logic board, coordinating the sequence of operation between the HVAC appliance and the venting system. Designed for 24VAC, 115VAC, or dry contact call for heat signals, the UC1 features a pre purge and post purge cycle to ensure proper combustion gas evacuation.