Honeywell
Honeywell V4043B1257 2 Port Valve 22mm 3 Wire
Honeywell V4043B1257 two-port motorised zone valve, 22mm, 230V three-wire with spring return open operation.
At a glance
- Also known as 4200920
£153.89
£128.24 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 V4043B1257 is a two-position, two-port motorised zone valve used to control flow through a 22mm heating or hot water circuit. It is operated at 230V via a three-wire connection and uses a spring return open action. The valve is part of the Honeywell V4043 series of zone valves for domestic and light commercial heating systems.
Before you order
- Confirm the pipework is 22mm and that a two-port valve is what the circuit requires.
- Check that the existing wiring arrangement is three-wire and that the 230V supply and controls are compatible.
- Verify the spring return open action matches the requirement of the zone being controlled, as the valve rest position determines the default flow path.
- Cross-check the part number V4043B1257 against the valve being replaced, together with the electrical and port details.
Compliance
| Alternative numbers | 4200920 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HONEYWELL RESIDENTIAL PRODUCTS | — | — | — |
Documents & drawings
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