Direct Crossover Compatibility: Functions as the updated technical replacement for the discontinued SP20129 model

this brass valve body handles chilled water

Technical features like permanent program retention ensure setpoints are preserved during power failures

If the valve fails to return to its normal position upon loss of air pressure or if the pneumatic signal no longer correlates to the expected stem position

If your motor has been upgraded to a larger shaft

White-Rodgers 24A07E-1 Relay 30067439-890 Direct Crossover Compatibility: Functions asThe White Rodgers 24A07E 1 is a 208V electric heat relay engineered for precise control of resistive heating loads in residential and commercial applications. As a Level Temp silent operator, this unit integrates a self contained transformer, allowing a standard low voltage 2 wire thermostat to manage line voltage equipment like baseboard heaters and wall insert units. The thermal design features a built in 45 second time delay for both "on" and "off"