this unit features a 1/2 inch sweat connection and a 3

the 3161257 is built to withstand the continuous duty cycles found in demanding mechanical rooms

System Compatibility: Designed for direct interface with York Millennium and YK series control centers without the need for signal converters

Technicians should look for a "hunting" or oscillating blower speed

Common Questions What are the symptoms of a failing 100109877 pressure switch

AERCO Boiler and Water Heater 64162 Flow Sensor R-410A this unit features a 1/2The AERCO Boiler and Water Heater 64162 Flow Sensor is a precision engineered non intrusive flow sensor designed for high accuracy liquid measurement in commercial boilers and industrial water heaters. Featuring a 1 2" NPTF connection (National Pipe Thread Fuel), this HVAC flow switch ensures a secure, leak proof installation within standard piping systems. Unlike mechanical sensors, the 64162 model operates without moving parts, significantly