Siemens Building Technology 257-02056 Valve Assembly R-407C or pilot light operation within

or pilot light operation within NEMA rated motor starters and contactors

The brass trim and high-temperature packing are rated for fluid temperatures up to 284°F

you can achieve either clockwise or counter-clockwise rotation

75K Ohms at 75°F

this PSC (Permanent Split Capacitor) motor is designed for continuous running duty in demanding industrial and light commercial environments

Siemens Building Technology 257-02056 Valve Assembly R-407C or pilot light operation withinThe Siemens 257 02056 is a professional grade 2 way normally open pneumatic valve assembly engineered for precise proportional control in heating and cooling applications. This 1 2 inch NPT x Union Male unit features a forged brass body and stainless steel trim, ensuring high durability and resistance to scaling in demanding hydronic systems. With a 2. 5 Cv rating and equal percentage flow characteristic, it provides stabilized heat output even under