Diaphragm d20.8 mm De Dietrich 7797955

The diaphragm d20.8 mm is a precision component used in gas valves and pressure regulators within heating systems. With a diameter of 20.8 mm, it responds to pressure changes to modulate gas flow, ensuring stable burner operation. This diaphragm is a common replacement part in burner spare parts and boiler maintenance and repair parts. Made from flexible, durable material, it provides reliable sealing and movement. If your boiler exhibits unstable flame or pressure issues, checking and replacing the diaphragm can restore proper function.