LavaPlumb LavaTap – Danfoss HPA2 Valve Actuator Head 230V – Replacement 2-Port Motorised Valve Head for 22mm and 28mm Valves – 4-Wire Central Heating Actuator – Compatible with HP22/HP28 2 Port Valve Bodies

Fits HP22 HP28 2 port valves (22mm and 28mm) only – Direct replacement for Danfos 2 port valve bodies with two screw fixings; will not fit push-on or clip-type valve bases without adaptation. This product is not compatible with Honeywell V4043H1056 Always check your valve type before purchase

Standard UK 4-wire actuator head – Supplied with brown (live), blue (neutral), grey and orange (switched live) wires for straightforward wiring in S-plan and other standard heating systems. No earth wire required; detailed instructions included

Quick and easy installation – No need to drain the heating system. Simply unscrew your old head and fit the new one in minutes using the supplied screws and pre-stripped cable ends. Designed for both professional and DIY use

Manual lever and auxiliary switch – Integrated manual override lever enables easy system filling and troubleshooting. Built-in auxiliary microswitch ensures correct boiler and pump operation once valve is open

Built for reliability and long life – Genuine HPA2 actuator features durable spring-return mechanism and robust internals. Regular system checks and proper installation help maximise actuator lifespan

Prevents heating faults and constant boiler running – Common solution for heating stuck on or boiler won’t turn off faults caused by a failed actuator head. If issues persist, check valve spindle moves freely and wiring matches instructions

Check Before Buying - By Purchasing this product you will not receive the Valve Body, Valve Actuator Head Only