Siemens Building Technology MVL661.15-1.0 Refrigeration Valve 320788-704 Common Questions What causes a

Common Questions What causes a "Low Air" or "APS Open" fault code

Ensure the supply voltage is stable and the valve assembly is clean

Standardized Porting: Features 1/2" x 1/2" NPT connections compatible with most standard residential gas lines

specifically engineered for high-heat applications like paint spray booths and industrial direct-fired burners

Siemens Building Technology MVL661.15-1.0 Refrigeration Valve 320788-704 Common Questions What causes aThe Siemens Building Technology MVL661. 15 1. 0 Refrigeration Valve is a hermetically sealed 2 port modulating valve designed for high precision control in chillers and heat pumps. This 5 8" (DN15) valve utilizes a magnetic actuator with integrated power electronics, allowing for rapid response times and accurate positioning via DC 0 2 10 V or 0 4 20 mA control signals. Engineered with a stainless steel body and integrated internal solder connections,