Weil Mclain 511624520 Gas Boiler Air Pressure Switch

Gas Boiler Air Pressure Switch ensures safe, efficient operation of Weil Mclain boiler systems. The Weil Mclain 511624520 Air Pressure Switch is designed for GV model gas boilers, providing precise air pressure sensing to protect the burner and venting components.

With a pressure rating of 1.4 inch WC and an operational elevation range from 0 to 5500 feet, this replacement switch delivers reliable performance across a wide range of installations. It is an OEM replacement part built for long life and dependable service.

Designed as a direct replacement for GV model gas boilers, the 511624520 switch helps prevent unsafe startup and flame instability by monitoring air pressure during operation. Use this part to maintain proper combustion safety and boiler efficiency.

• OEM replacement part for Weil Mclain GV gas boilers
• Precise air pressure sensing protects ignition and venting systems
• Pressure rating: 1.4 in WC
• Elevation range: 0–5500 ft for varied locations
• Model/part: Weil Mclain 511624520 air pressure switch