Viessmann Gas Valve 7849854 – GB-ND 055 E01-DG 30/35 NG

Description

Viessmann Gas Valve 7849854 – GB-ND 055 E01-DG 30/35 NG

The Viessmann Gas Valve 7849854 (GB-ND 055 E01-DG 30/35 NG) is a genuine manufacturer-approved gas control valve designed to regulate gas flow accurately within compatible Viessmann boilers.

This component is critical for safe ignition, flame stability, efficiency, and emissions control. It is factory-set for Natural Gas (NG) and is specifically designed for 30kW and 35kW Viessmann appliances listed below.

Using the correct gas valve ensures reliable boiler performance and prevents ignition faults, flame loss, and safety lockouts.

Viessmann Vitodens 100 – System Boilers

• Vitodens 100 WB1HA 30kW System ErP – 41-819-38
  (Serial No. 7543423)

• Vitodens 100 WB1HA 35kW System ErP – 41-819-39
  (Serial No. 7543425)

Viessmann Vitodens 100 – Combi Boilers

• Vitodens 100-W WB1C 30kW Combi
  (Serial No. 7441745)

• Delivery and Return

  Place orders before 1 PM for same-day dispatch via reliable couriers. Choose from standard or next-day delivery options. Returns are accepted within 30 days if the part is unused and in original packaging. Always use a Gas Safe registered engineer for installation and warranty compliance.