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Dual-Fuel Compatibility: Seamlessly alternates between air source heat pumps and auxiliary gas furnace stages based on outdoor temperature
this board provides the necessary diagnostic LED flash codes to streamline troubleshooting for field technicians
replacing legacy P/N 195265 and 221388 setups
Does this part include the mounting screws
Siemens Building Technology 599-03187 Valve 340155-7024 Dual-Fuel Compatibility: Seamlessly alternates betweenThe Siemens 599 03187 is a heavy duty 1 1 2 inch 2 way globe valve engineered for precision flow control in commercial HVACR systems. Built with a rugged UNS CA 844 bronze body and brass trim, this normally closed (NC) valve is designed to handle high demand applications including saturated steam, hot water, and chilled water with anti freeze. Featuring an equal percentage flow characteristic and a 25 Cv capacity, it ensures stable modulating control