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1/4" Boss TIH640
Vaillant ecoTEC PLUS 831 R1
BTH1112 Issue 9) 47-075-37 Duo Tec 33 HE A (Before Serial No
✅ Product Features:✔️ Genuine Vaillant spare part✔️ Part Numbers: 0020018138 / 050577✔️ Air pressure switch (APS)✔️ OEM quality replacement component✔️ Monitors fan airflow and flue performance✔️ Ensures safe ignition sequence✔️ Reliable and durable construction✔️ Ideal for servicing and boiler repairs
VAILLANT VU 242-5 (2000-2001)
Vaillant Pressure Relief Valve 190717 0020020015 1/4" Boss TIH640Vaillant Pressure Relief Valve is a replacement part suitable for use with Thermo compact VU (fan assisted) and Turbo max VUW (fan assisted) boilers. The pressure relief valve helps to control pressure in a closed system by proportionally opening to relieve excess pressure, preventing catastrophic malfunction. Fits a number of Vaillant boilers
US$ 175.97
US$ 115.97
US$ 177.50