The Honeywell Home V4044C 22mm 3-Port Motorised Diverter Valve (V4044C1288/U) is designed to control the flow of water between the heating and hot water circuits in domestic fully pumped central heating systems. It is intended for use in a Sundial W Plan hot water priority system, allowing water flow to be directed to one zone at a time.
Featuring two-position operation and a spring return mechanism, this 22mm motorised valve provides electrical output to the boiler or pump. Its replaceable powerhead can be changed without draining down the system, helping simplify maintenance.
22mm Compression 3-Port Diverter Valve 230V AC Supply 1-Year Warranty
Key Features
1. 22mm Compression Connections
Features 22mm inlet and outlet connection sizes for compatible domestic central heating pipework.
2. Three-Port Diverter Valve
Controls water flow between the heating and hot water circuits in a fully pumped central heating system.
3. Designed for Sundial W Plan Systems
Suitable for the Sundial W Plan hot water priority arrangement, directing flow to one zone at a time.
4. Two-Position Spring Return Operation
Uses two-position operation with a spring return action to control the direction of water flow.
5. Replaceable Powerhead
The powerhead can be replaced without draining down the heating system, making servicing more convenient.
6. Quiet and Low-Energy Operation
Designed for quiet operation with minimal power consumption. It includes a manual lever for filling and draining down.
Technical Specifications
| Brand |
Honeywell Home |
| Model / Range |
V4044C |
| MPN |
V4044C1288/U |
| Valve Type |
Motorised Diverter Valve |
| Number of Ports |
3 |
| Connection Type |
Compression |
| Inlet Connection Size |
22mm |
| Outlet Connection Size |
22mm |
| Power Supply |
230V AC |
| Operation |
Two Position |
| Return Mechanism |
Spring Return |
| Material |
Brass (supplier specification) |
| Colour |
Bronze |
| Width |
112mm |
| Ambient Temperature Range |
5°C to 50°C |
| Maximum Close-Off Differential Pressure |
0.69 bar |
| Maximum Operating Pressure |
8.6 bar (supplier specification) |
| Warranty |
1 Year |
Frequently Asked Questions
What is the Honeywell Home V4044C valve used for?
It controls the flow of water between the heating and hot water circuits in domestic fully pumped central heating systems.
Which heating system is the V4044C designed for?
It is designed for use in the Sundial W Plan hot water priority system.
What size connections does this valve have?
This model has 22mm compression inlet and outlet connections.
Can the powerhead be replaced without draining the system?
Yes. The powerhead is replaceable without draining down the heating system.
What power supply does the valve require?
The supplied specification states that it requires a 230V AC power supply.
Order Honeywell Home Heating Controls from GetPlumb
Shop the Honeywell Home V4044C 22mm 3-Port Motorised Diverter Valve at GetPlumb. Designed for compatible W Plan heating systems, with a replaceable powerhead and spring return operation.
