
Thorn
Honeywell Gas Valve Assembly V4400C1237
Gas valve assembly for Thorn Modular M100 boilers, manufactured by Honeywell with part number V4400C1237.
At a glance
- Appliance family: Thorn
- Installation must be carried out by a Gas Safe registered engineer
£0.01
£0.01 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 Honeywell V4400C1237 is a gas valve assembly supplied for Thorn appliances. It regulates the flow of gas to the burner, opening and closing in response to the boiler's demand for heat. The valve is a serviceable component within the gas train of the appliance.
Signs this part needs replacing
- Boiler fails to fire or locks out despite a call for heat
- No gas reaching the burner
- Intermittent or erratic burner operation
- Valve does not open or close when the appliance demands heat
Before you order
- Confirm the appliance is a Thorn Modular M100
- Check the existing valve is marked with part number V4400C1237
- Installation must be carried out by a Gas Safe registered engineer
Compliance
| GC number | 392-789 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HONEYWELL RESIDENTIAL PRODUCTS | — | — | — | |
| THORN MODULAR - M100 | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
No technical questions yet for this part.
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