If the coil is heavily iced and the board fails to energize the reversing valve or stop the outdoor fan when the sensor is closed

Resilient Sealing: NBR (Buna-N) seals provide excellent compatibility with standard fuel gases

The ASCO 8040C5CSA Solenoid Valve is a high-performance 2-way normally closed (NC) direct-acting valve specifically designed for critical fuel gas safety shutoff applications

While this specific model is calibrated for 0-20 PSIG

Is this regulator suitable for 2 PSI piping systems

Modine 3H0332130003 Inducer Assembly Els PW 17895 If the coil is heavilyThe Modine 3H0332130003 Inducer Assembly is a high performance 115v draft inducer assembly specifically engineered for critical exhaust management in gas fired heating systems. As a veteran grade HVAC replacement part, this unit serves as the direct replacement for 3H33213 3, ensuring a seamless drop in fit without the need for field modifications. This OEM inducer motor is designed to pull combustion air through the heat exchanger and safely vent