this replacement regulator spring provides a stable 6–14" WC (Water Column) outlet pressure range

Durable Construction: Built to withstand the high inrush currents typical of industrial refrigeration start-up cycles

such as a restricted air filter

provided the regulator body is a Maxitrol 325-5

As a direct replacement for B1408403

Rheem-Ruud 42-25106-01 Defrost Relay this replacement regulator spring providesThe Rheem Ruud 42 25106 01 Defrost Relay is a heavy duty 24V DPDT (Double Pole Double Throw) component designed for precise defrost cycle management in residential and commercial condensing units. Engineered to replace aged or pitted mechanical relays, this HVAC defrost control relay handles switching for both the outdoor fan motor and the compressor contactor circuit simultaneously. It operates with a 24V coil voltage, ensuring seamless integration