Hts Potterton Promax Combi 24 28 33 He Plus & He Plus A Over Heat Thermostat 248079

Hts Multicolour Boiler Expansion Vessel Compatible With Potterton Heatmax Combi 24He 28He, Promax Combi 24 28 He & He Plus A Expansion Vessel 8 Litre & Pressure Relief Valve 5114691

HTS Boiler Cartridge Compatible with Potterton Promax 24HE, 28HE 33HE Plus, Titanium 24 28 33 40, Gold 24HE 28HE 33HE A, Heatmax Combi 24HE 28HE 33HE 3 Way Diverter Valve Cartridge 720003100

Hts Boiler Electrode Kit Compatible With Potterton Promax 15/2 24/2 30, Sl 12 15 18 24 30 He Plus Electrode Kit With Lead 5132097

Hts Multicolour Boiler Electrode Kit Compatible With Baxi 105He & Potterton Apollo & Main Combi Boiler Igniton And Ionisation Electrode Kit 5130293