Siemens Building Technology 257-02042 Valve Assembly 320819-301 Guarded Wiring Design: Features a

Guarded Wiring Design: Features a protective internal compartment to shield critical terminal connections from environmental interference and accidental contact

the unit has a maximum safe air pressure rating of 30 psig

Using this genuine Danfoss refrigeration part guarantees the calibrated restriction necessary for stable superheat and optimized evaporator performance

Rated for 125 PSI steam pressure

Siemens Building Technology 257-02042 Valve Assembly 320819-301 Guarded Wiring Design: Features aEnsure precise hydronic control in your terminal units with the Siemens 257 02042, a robust 2 way normally open pneumatic control valve assembly designed for demanding commercial HVAC maintenance. This Powermite 599 Series MT assembly features a 1 2" NPT x Union Male connection, engineered for high performance fluid regulation in hot or chilled water applications such as convectors and fan coil units. Utilizing a forged brass body with high durability