Description

Viessmann Gas Valve 7849853 | GB-ND 055 E01-DG 19/26 NG Genuine

The Viessmann 100 WB1HA 19kW System Gas Valve 7849853 controls the gas supply inside your boiler to maintain safe combustion and stable heating output. This genuine gas valve regulates the flow of fuel to the burner and supports efficient boiler operation. Designed for Viessmann Vitodens 100 WB1HA system boilers, it provides reliable performance and consistent heating control.

Compatible Boilers

Viessmann Vitodens 100 WB1HA System Series

• 100 WB1HA 19kW System ErP (Serial No. 7543420) (GC No. 41-819-36)

• 100 WB1HA 26kW System ErP (Serial No. 7543421) (GC No. 41-819-37)

If you’re looking for a Viessmann 100 WB1C 30kW Combi Gas Valve 7849854 or any other different Viessmann Gas Valve, follow the link provided.

Why Choose This Product?

This genuine Viessmann 100 WB1HA Gas Valve delivers precise gas control and stable burner performance. It helps maintain consistent heating while reducing the risk of ignition or combustion issues. The brand new genuine condition supports dependable operation and long service life. Installing the correct gas valve restores safe and efficient performance in your Viessmann system boiler.

Delivery and Return

Orders placed before 1 PM are dispatched on the same working day. You can choose standard delivery or upgrade to next-day courier service at checkout. Returns are accepted within 30 days if the item remains unused and in its original condition. Always use a Gas Safe registered engineer for safe and compliant installation.

Frequently Asked Questions (FAQs)

1. What does the Viessmann 100 WB1HA Gas Valve 7849853 do?
The Viessmann 100 WB1HA Gas Valve regulates the gas supply to the burner. It ensures the correct gas flow for stable combustion and efficient heating performance.

2. Which boilers are compatible with this gas valve?
This gas valve fits Viessmann Vitodens 100 WB1HA System boilers, including the 19kW and 26kW ErP models listed in the compatibility section.

3. Is this gas valve brand new and genuine?
Yes. This product is a brand new genuine Viessmann gas valve and comes with a 12-month warranty.

4. What problems can a faulty gas valve cause?
A faulty gas valve can lead to ignition failure, inconsistent heating, or the boiler not firing. Replacing the valve restores proper gas regulation and boiler operation.

5. Do I need a professional to install this gas valve?
Yes. A Gas Safe registered engineer must install or replace boiler gas components to ensure safe and correct operation.