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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
4 inches in length
and 4YC series
Whether you are configuring it as a primary and/or secondary sensor
Crafted with a durable gray-painted cast iron mounted bearing housing and a zone-hardened 52100 steel inner ring
Reliable Construction: Features a rugged 42 frame and sleeve bearings for quiet
Siemens Building Technology 257-02056 Valve Assembly 322056-301 4 inches in lengthThe 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
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