the longevity and efficiency of your gas boiler with our air pressure switches. These replacement parts are designed to monitor and adjust air pressure levels, providing reliable performance and safety. Suitable for both wall-mounted boilers and gas heaters, they are an essential addition to your gas boiler supplies, helping you maintain a well-functioning heating system. Features -Color:Black -Material:Plastic -Size: 7.50X6.50X3.00cm/2.95X2.55X1.18in - : manufactured with precision to exceptional and durability -Secure operation: equipped with an air pressure switch that precise air pressure control, enhancing safety and reliability -Easy to install: simple design allows for installation without the need for assistance -Wide range compatibility: suitable for various gas boiler brands and models, for diverse applications -Easy to use: making it an for gas boiler parts Package list: 1 heater switch