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

25-inch probe and durable housing are optimized for airflow environments

reducing the need for additional HVAC power supply wiring during installation

or a drop in system flow rates that triggers "low flow" safety alarms on the chiller controller

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

Siemens Building Technology MVL661.15-1.0 Refrigeration Valve 318172-701 Common Maintenance Questions How doThe 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,