Siemens Building Technology 257-02055 Valve Assembly R-407C the internal cams can be

the internal cams can be adjusted for either clockwise (CW) or counter-clockwise (CCW) rotation

a TEFC (Totally Enclosed Fan Coled) motor is typically recommended

007" Restrictor

ensuring a precision fit that aftermarket alternatives fail to match

How many burners are required for a complete manifold replacement

Siemens Building Technology 257-02055 Valve Assembly R-407C the internal cams can beThe Siemens 257 02055 Valve Assembly is a high performance 2 way normally open valve designed for precision control of hot or chilled water and low pressure steam in terminal units. Built on the rugged Powermite 599 MT Series platform, this assembly features a 1 2 inch NPT connection and a 2. 5 Cv flow coefficient. The forged brass body is paired with stainless steel trim to ensure long term durability and resistance to scaling in demanding hydronic