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This HVAC airflow proving switch is rated for 120-277Vac and provides reliable switching for pilot duty loads
Extreme Durability: Rated for a maximum surge pressure of 20" W
" always check the nameplate upon arrival
Does this assembly replace the older 8109-001BX model
Danfoss 148B3747 Valve 318172-701 This HVAC airflow proving switchThe Danfoss 148B3747 is a heavy duty SNV ST gauge valve engineered for precision service and isolation in industrial refrigeration systems. Featuring a 3 8 inch FPT x 3 8 inch MPT connection, this stop needle valve is constructed from high strength, low temperature steel with a protective zinc chromate coating, making it ideal for the most demanding environments. This Danfoss needle valve provides a bi flow design with favorable flow characteristics
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