Sentinel offer water treatment products and services that provide lifetime protection for heating and hot water systems.
Through the free TradeHelp Buying Group, you can access additional cash back on their chemicals and filters paid directly into your bank account.
For purchases made from Wolseley, City Plumbing Supplies, Graham, Plumbase or James Hargreaves we can set up automatic reporting for your cashback claims.
For purchases from all other merchants and suppliers please send proof of purchase to [email protected] or use the handy ‘Document Upload’ tool in the app.