Express delivery for Wednesday Available Until 3pm Today
If you have a spam filter in place, please add us to your permitted senders list
Part No. 40003916-001
For V4043C and V4043H zone valves including:
Honeywell motorised valves made before 1987 will also require a 40003918-006 conversion kit.
Valves made after 1987 can be identified by a bump on the top of the powerhead (see picture).
British gas no. 378452