With a 1/2 PSI max inlet pressure and a factory-set 3-6" wc outlet pressure

Built on the 5th generation ZPK5 platform

The 4074EHG is a direct replacement and is functionally identical to the 4074EHG/U model

ensuring exact fitment without field modifications

The KMC Controls HFO-0015 is a professional-grade 4-inch static pick-up tube engineered for precise pressure monitoring in high-demand HVAC and industrial environments

Heil Quaker ICP 1057251 Sequencer With a 1/2 PSI maxThe 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