Vaillant Bypass Valve 011269 I 011289

Vaillant Bypass Valve (011269 / 011289) Ensure the longevity and efficiency of your heating system with this premium Vaillant Boiler Bypass Valve. This critical safety component regulates water flow within the boiler, opening when the system pressure exceeds a set limit—usually when radiator valves are closed. By maintaining a minimum flow rate through the heat exchanger, it prevents overheating, reduces pump strain, and eliminates "knocking" noises caused by restricted circulation. Direct Replacement: Specifically engineered as a high-quality replacement for Vaillant part numbers 011269 and 011289. System Protection: Prevents the heat exchanger from reaching dangerously high temperatures during low-demand periods. Operational Efficiency: Smooths out pressure fluctuations, leading to a quieter heating system and a longer lifespan for the internal pump. Precision Engineering: Designed for a perfect fit within the Turbomax range, ensuring a secure and reliable installation. Compatible Models: Vaillant Turbomax VUW 242/1E (1998-2001) — 47-044-02 Vaillant Turbomax VUW 242E (1995-1999) — 47-044-25 Vaillant Turbomax VUW 282/1E (1998-2001) — 47-044-06 Vaillant Turbomax VUW 282E (1995-1999) — 47-044-26 Vaillant A00136-01