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

ensuring total compatibility with existing system configurations

It provides critical pressure-operated regulation to prevent liquid slugging and ensure the evaporator operates at peak thermal efficiency

It will automatically close the circuit and allow the furnace to run again once the temperature reaches the 110°F cut-in point

Common Questions Which pump models are compatible with the 818504-000K

Trane VAL4359 Solenoid Valve 322838-753 Smith 100167804 Integrated Control BoardThe 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