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Worcester Boiler Diverter Valves control the flow of hot water between your taps and central heating system, ensuring your boiler runs efficiently and reliably. These valves help your Worcester boiler deliver consistent heating and hot water performance, making them ideal for fixing flow or temperature issues quickly.
Choose from brand-new or refurbished options, each fully tested and backed by a 12-month warranty. Designed for easy installation and long-lasting durability, our diverter valves keep your Worcester boiler performing at its best all year round.
1) What does a Worcester diverter valve do?
A diverter valve directs heated water either to your central heating (radiators) or to domestic hot water (taps/shower). It’s essential for switching correctly between heating and hot water demand.
2) Which Worcester boilers use a diverter valve?
Most Worcester combi boilers use a diverter valve to switch flow between hot water and heating. If you share your boiler model and GC number, we can help confirm the correct valve.
3) Can a diverter valve cause no hot water but heating still works?
Yes. If the valve sticks or fails to move fully to the hot water position, the boiler may heat the system but deliver poor or no hot water.
4) Can a diverter valve cause radiators to heat up when hot water is on?
Yes. If the valve doesn’t seal properly, some hot water can “leak” into the heating circuit, warming radiators when you’re using the taps.
5) What causes diverter valves to fail?
Typical causes include wear of internal seals/diaphragms, debris or sludge in the system, sticking mechanisms, or actuator motor failure (on motorised types).
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