you must use the corresponding White spring (046-00-021-02) to ensure the regulator operates within its design parameters

5-10 V via a convenient slide switch

Direct drop-in compatibility for Bunn 22300

the red coil signifies the 24VAC voltage rating

Weil McLain 510-312-152 Control 30067439-890 you must use the correspondingThe Weil McLain 510 312 152 Tankless Heater Low Limit Control is a critical safety and operational component designed for CGT model boilers. As a veteran grade aquastat controller, this unit features a fixed 8 degree differential and includes the necessary immersion well for direct sensing. Its primary function is to maintain minimum boiler water temperature, ensuring the tankless heater can meet domestic hot water demands without dropping below