A Corgi Controls branded replacement mid position valve actuator for 3 port motorised valves, designed to fit both 22mm and 28mm valve bodies. This valve actuator can be fitted without the need to drain down your heating system and is a suitable replacement for the following: . HONEYWELL V4073A. TOWER VAL322MP. TOWER VAL328MP. CORGI VAL322MP-C. By just changing the valve head means you do not have to interfere with any water pipes and makes it a relatively easy for the DIYer - ultimately saving you money on both the cost of plumbing and fitting a new complete 3 port valve. . Synchronous motor driven with spring return and auxiliary switch (SPST). 1m industry standard 5 core flex. Auxiliary switch with integrated manual lever. Switch rating: 3A Resistive. Supply voltage: 240V AC