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Variable Airflow Control: Automatically adjusts speeds to meet heating or cooling demands
AB-QM Compatibility: Specifically designed to interface with Danfoss pressure independent valves for maximum authority
As an OEM Goodman replacement part
This unit is built for natural gas but includes a field-convertible LP conversion kit to meet specific site requirements
This HVAC replacement part is essential for maintaining the operational integrity of Intertherm
United Electric J21K-150 Pressure Switch 322838-753 Variable Airflow Control: Automatically adjustsThe United Electric J21K 150 is a rugged, NEMA 4 differential pressure switch engineered for precision monitoring in demanding HVACR and industrial process environments. This unit features an adjustable differential pressure range of 0 to 40 PSID, utilizing a high sensitivity opposing metal bellows design to detect pressure variances between two sources. The SPDT snap action switch output provides versatile control logic, rated for 15A at 125 250 480
US$ 41.99
US$ 275.00
US$ 250.00