
Vaillant
Vaillant Gas Control Valve 0020268758
Gas control valve for Vaillant EcoTec VU 446/5-5 boilers, regulating gas flow to the burner.
At a glance
- Appliance family: EcoTec VU 446/5-5
- Also known as 1388658
- Work on the gas train must be carried out by a Gas Safe registered engineer
£144.30
£120.25 ex. VAT · VAT at 20%
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Vaillant 0020268758 is a gas control valve used on Vaillant EcoTec VU 446/5-5 appliances. It regulates the flow of gas to the burner, opening and modulating supply in line with the boiler's demand signal. It is a serviceable component within the gas train and is fitted by a Gas Safe registered engineer.
Signs this part needs replacing
- The boiler fails to ignite, or ignition is intermittent despite a confirmed gas supply
- The burner extinguishes shortly after lighting
- Gas valve operation is noisy, sticking or slow to respond to demand
- The appliance locks out repeatedly with a fault relating to the gas train
- Visible damage, corrosion or leakage at the valve body or its connections
Before you order
- Confirm the appliance model and GC number from the data badge before ordering
- Check the existing valve against the part number 0020268758
- Work on the gas train must be carried out by a Gas Safe registered engineer
- Verify the boiler is isolated from the gas and electrical supply before any replacement
Compliance
| Alternative numbers | 1388658 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| VAILLANT VU 446/5-5 | 41-694-28 | 41-694-28 | — | — |
| VAILLANT ecoTEC VU 446/5-5 (2018) | 41-694-28 | 41-694-28 | — | — |
Documents & drawings
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