TOWER 22mm / 28mm 2 Port Motorised Zone Valve Actuator Central Heating Powerhead
TOWER 2 Port Zone Valve Actuator (22mm / 28mm). Replaces head for Tower products: VAL222MV / VAL228MV as well as: Honeywell V4043, V4043H. Appliance repairs must always be carried out by a suitably qualified engineer or technician.