Direct drop-in compatibility for Bunn 22300

This relay is commonly used in York residential air handlers and heat pumps

but it is primarily used in a normally closed configuration

the red coil signifies the 24VAC voltage rating

5-10 V via a convenient slide switch

Weil McLain 510-312-152 Control 30067439-890 Direct drop-in compatibility for BunnThe 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