This part is specifically engineered for the Johnson Controls D-251 series

Efficient non-spring return operation designed for applications where the valve should maintain its last position upon signal loss

it restricts flow through the header

This 2-way normally open globe valve features a 3/4" NPT connection and is built with a rugged cast bronze body and stainless steel trim to handle rigorous fluid service

Nordyne 626417R Limit Switch 321702-401 This part is specifically engineeredAs a technician, you know that a tripped Nordyne 626417R Limit Switch is often the only thing standing between a routine heat cycle and a cracked heat exchanger. This OEM Nordyne furnace part is a critical high limit safety control designed to monitor internal plenum temperatures. If the heat exchanger exceeds safe operating parametersoften due to restricted airflow from a clogged furnace filter or a failing blower motorthis switch opens the circuit