65"wc set point

this normally closed (SPST) switch is engineered to disrupt the burner circuit if internal plenum temperatures exceed safety thresholds

it serves as a direct drop-in for various Lennox HVAC systems

guaranteeing a proper mechanical fit

Swapping in a new SP11700 verifies the control side of the circuit is functioning correctly

Ranco A22-4506 Control Els PW 17895 65"wc set pointThe Ranco A22 4506 Ice Harvest Control is a specialized single pole double throw (SPDT) temperature controller engineered for precision ice machine applications. Operating within a temperature range of 19F to 22F, this control manages the critical cycling between freezing and harvesting phases by sensing evaporator temperatures. The unit features a 72 inch capillary tube, providing sufficient length for flexible mounting and accurate sensing bulb