The Johnson Controls S350PQ-1 is a high-performance Proportional Plus Integral Temperature Stage Module designed for precise modulating control in commercial HVACR applications

factory-set for a cut-in at 80 PSI and a cut-out at 100 PSI

The kit features a modular check assembly design

By replacing a sticking or malfunctioning defrost circuit board with this genuine OEM York replacement part

Fenwal 35-705501-505 Control Els PW 17895 The Johnson Controls S350PQ-1 isThe Fenwal 35 705501 505 is a robust 120VAC Direct Spark Ignition (DSI) control module engineered for high demand gas fired applications including commercial cooking equipment, boilers, and water heaters. As a veteran grade HVAC ignition module, it utilizes microprocessor based circuitry to provide precise, repeatable timing for critical combustion sequences. This specific configuration features a 10 second Trial for Ignition (TFI) and a 5 second pre