Honeywell V4055D1027 Actuator Proof of Closure NEMA 4 13Sec Timing W/Auxiliary Switch

The Honeywell V4055D1027 Proof-of-Closure Switch, with its NEMA 4 rating, is essential for HVAC systems, particularly gas-fired equipment such as boilers and furnaces. This device ensures safe and reliable operation by confirming that gas valves are properly closed. Operating in 13 seconds, it quickly verifies valve closure following a shutdown sequence, reducing the risk of gas leaks or improper combustion. It includes an auxiliary switch, which allows for integration with safety interlocks or alarm systems for better monitoring. Its NEMA 4 enclosure protects against harsh environmental conditions, extending its lifespan and dependability. The Honeywell V4055D1027 Proof-of-Closure Switch is critical for maintaining operational safety and efficiency in gas-fired HVAC systems, providing users and minimizing the potential for hazardous situations.