If your one-pipe thermostat is unable to reduce branch pressure or if the controlled valve slams and stays in one position regardless of the setpoint

this limit switch protects the heat exchanger and blower motor from overheating conditions

The Amana-Goodman 11091204SP Motor is a high-performance OEM blower motor engineered for residential and light commercial HVAC recovery systems

Using non-OEM components can lead to fitment issues or electrical mismatches

Sporlan 902905P Control Refrigerant If your one-pipe thermostat isThe Sporlan 902905P is a high performance OROA 5 head pressure control valve designed specifically for air cooled condensing units operating in low ambient conditions. This non adjustable head pressure control ensures system reliability by throttling liquid flow from the condenser while simultaneously regulating hot gas bypass to the receiver. By maintaining a 100 PSI setting, the valve prevents common system failures such as iced evaporator coils and