65" WC air pressure switch kit designed for precise combustion air monitoring in Reznor unit heaters

offering precise setpoint maintenance across its dual control range

Common Maintenance Questions How do I troubleshoot a lockout on a Lennox 10J58 board

0 Cv rating provides consistent throughput for 3/4" piping systems

the Lennox 28G80 may be stuck in the open position

Siemens Building Technology MVL661.15-1.0 Refrigeration Valve 318172-701 65" WC air pressure switchThe 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,