Siemens Building Technology 257-02042 Valve Assembly Refrigerant For contractors performing annual service

For contractors performing annual service or troubleshooting feed rate inconsistencies

The unit is equipped with automatic ball checks that conform to ASME requirements

the Caldyn 233-46278-04 is built to withstand high combustion chamber temperatures while preventing thermopile drop-out or nuisance shutdowns

Its rugged construction features hardened steel jaws and tempered cutting wheels

ensuring identical electrical and physical mounting

Siemens Building Technology 257-02042 Valve Assembly Refrigerant For contractors performing annual serviceEnsure 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