Always verify the OD of your tubing before brazing

Built on the 5th generation ZPK5 platform

panel-mount design includes standard 1/4 inch quick-connect terminals

ensuring exact fitment without field modifications

Heil Quaker ICP 1057251 Sequencer Always verify the OD ofThe Heil Quaker ICP 1057251 Sequencer is a critical multi circuit timing relay designed for precise electric heat sequencer control in residential and light commercial air handlers. Engineered for 5kW and 7. 5kW heating elements, this sequencer manages the staging of resistive loads to prevent electrical demand surges that can trip circuit breakers or damage transformers. This specific model functions without a built in breaker, making it a direct OEM