Honeywell V4400C1237 Gas Valve 102004, 402852, V4400C1351. Baxi Part No.V4400C1211, 102004, 402852, V4400C1351. Ferroli Part No.39819240, 36801100. Honeywell Part No(s). We currently are able to accommodate the oldest and deprecated boilers to the very latest energy-efficient central heating systems.
eBay