The module requires a 24VAC power supply and is rated for 60Hz operation

designed to withstand the high-temperature environments of an exhaust airstream without premature failure

and AHSA units

Smith 100167804 Integrated Control Board is the primary OEM replacement part for the Armor AW400 condensing water heater series

Durable Construction: High-grade steel or aluminum blades designed to withstand atmospheric corrosion and high-RPM stress

Trane VAL4359 Solenoid Valve 322838-753 The module requires a 24VACThe Trane VAL4359 is a high precision 24VDC solenoid valve engineered for critical fluid or refrigerant control within commercial and industrial HVAC systems. As a genuine Trane OEM replacement part, this valve ensures seamless mechanical integration and maintains original equipment performance standards. This specific model features a 10 32 to 0. 125 hose fitting and 0. 125 ID hose barb connection, typically utilized in complex pneumatic or