ensure you are utilizing the high-performance AH series actuator

the A260 provides the necessary mechanical leverage to actuate the valve lever assembly

The rugged epoxy-encapsulated design provides superior resistance against moisture and vibration

this is a genuine Weil McLain OEM maintenance kit

though it can be utilized in 1/4-inch systems when used with the appropriate compression nut and adapter sleeve

York 024-37045-000 Control Relay 319848-301 ensure you are utilizing theThe York 024 37045 000 Control Relay is an industrial grade OEM replacement part engineered for high demand electrical sequencing in commercial and residential HVAC systems. Built to handle a 600V voltage rating and a 10 Amp current capacity, this relay serves as a primary switching component for heavy duty inductive loads, including condenser fan motors, compressor contactor coils, and auxiliary heat circuits. As a direct York HVAC replacement part,