United Electric J21K-140 Pressure Switch 321702-401 allowing for the direct mounting

allowing for the direct mounting of your existing pilot burner and ignition components

This zone damper is designed to handle the variable temperatures of standard forced-air heating and air conditioning systems

it ensures safe execution and minimizes electrolysis

this switch offers a direct-fit solution that matches factory electrical specs and pneumatic connections

United Electric J21K-140 Pressure Switch 321702-401 allowing for the direct mountingThe United Electric J21K 140 Pressure Switch is a high sensitivity differential pressure switch engineered for precise monitoring in demanding HVAC and industrial environments. This unit utilizes opposing brass bellows to accurately detect the pressure drop across filters, coils, or heat exchangers. With an adjustable range of 0 to 6 PSID and a tight deadband of 0. 1 to 0. 4 PSI, it provides the low end resolution required for airflow proving and high