Siemens Building Technology 257-02040 Valve Assembly 319848-301 For contractors performing HVAC blower

For contractors performing HVAC blower assembly repair

Its robust construction resists mechanical vibration

Precision Staging: Supports multi-stage heating and cooling to prevent short-cycling and improve overall system efficiency and dehumidification

Built with heat-resistant materials

75-ton scroll compressor designed specifically for large-tonnage commercial rooftop units and industrial chillers

Siemens Building Technology 257-02040 Valve Assembly 319848-301 For contractors performing HVAC blowerThe Siemens Building Technology 257 02040 is a specialized 2 way normally open control valve assembly designed for high performance hydronic flow regulation. As a veteran grade pneumatic HVAC control valve, this unit is engineered with a 1 2 inch angle NPT by union male connection, facilitating streamlined installation in tight mechanical spaces. The forged brass body and internal brass trim ensure rugged reliability against the constant cycling of