| HEATING COMMERCIAL Oil Fired Boilers . | 6 suppliers |
| HEATING INDUSTRIAL Dual Fuel Boilers (Gas and Oil) . | 6 suppliers |
| HEATING INDUSTRIAL Oil Fired Boilers . | 6 suppliers |
| BOILERS DOMESTIC Oil Fired: . | 4 suppliers |
| BOILERS DOMESTIC Oil Fired: Floor Standing | 4 suppliers |
| HEATING COMMERCIAL Dual Fuel (Gas and Oil) Boilers . | 4 suppliers |
| HEATING COMMERCIAL Oil Fired Boilers Heat Exchanger Combined . | 4 suppliers |
| HEATING COMMERCIAL Oil Fired Boilers Modulating . | 4 suppliers |
| HEATING INDUSTRIAL Dual Fuel Boilers (Gas and Oil) Building Regulations 2000: Part L | 4 suppliers |
| BOILERS DOMESTIC Oil Fired: Balanced Flue Room Sealed | 3 suppliers |
| BOILERS DOMESTIC Oil Fired: Combination | 3 suppliers |
| BOILERS DOMESTIC Oil Fired: Kitchen Unit Modular Size | 3 suppliers |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : Up to 35 kW | 3 suppliers |
| BOILERS DOMESTIC Oil Fired: System Components Incorporated | 3 suppliers |
| HEATING COMMERCIAL Oil Fired Boilers Combination . | 3 suppliers |
| BOILERS DOMESTIC Oil Fired: BS 4876 | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 110-170,000 Btu/h | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 120-170,000 Btu/h | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 41-48,000 Btu/h | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 41-65,000 Btu/h | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 41-75,000 Btu/h | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 50-65,000 Btu/h | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 68-85,000 Btu/h | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 88-110,000 Btu/h | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : Up to 70 kW | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Sealed System | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Slimline | 2 suppliers |
| HEATING COMMERCIAL Oil Fired Boilers Low Pressure Steam . | 2 suppliers |
| HEATING COMMERCIAL Oil Fired Boilers Pressure Jet . | 2 suppliers |
| HEATING INDUSTRIAL Dual Fuel Boilers (Gas and Oil) District Heating Plants | 2 suppliers |
| HEATING INDUSTRIAL Dual Fuel Boilers (Gas and Oil) EN 303.1 . | 2 suppliers |
| HEATING INDUSTRIAL Dual Fuel Boilers (Gas and Oil) High Pressure . | 2 suppliers |
| HEATING INDUSTRIAL Dual Fuel Boilers (Gas and Oil) Low Pressure . | 2 suppliers |
| HEATING INDUSTRIAL Dual Fuel Boilers (Gas and Oil) Modular . | 2 suppliers |
| HEATING INDUSTRIAL Dual Fuel Boilers (Gas and Oil) Modulating . | 2 suppliers |
| HEATING INDUSTRIAL Dual Fuel Boilers (Gas and Oil) Pressure Jet . | 2 suppliers |
| HEATING INDUSTRIAL Dual Fuel Boilers (Gas and Oil) Steam Generating . | 2 suppliers |
| HEATING INDUSTRIAL Oil Fired Boilers Pressure Jet . | 2 suppliers |
| BOILERS DOMESTIC Oil Fired: Combination Integral Hot Water Store | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Condensing | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Output Fixed Rating: Up to 35 kW | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Output Fixed Rating: Up to 70 kW | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 100-125,000 Btu/h | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 100-130,000 Btu/h | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 130-150,000 Btu/h | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 170-240,000 Btu/h | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 50-90,000 Btu/h | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 70-90,000 Btu/h | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Output Variable Ratings : 90-110,000 Btu/h | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Part L Compliant (Part J Scotland) | 1 supplier |
| BOILERS DOMESTIC Oil Fired: SEDBUK Band A | 1 supplier |
| BOILERS DOMESTIC Oil Fired: SEDBUK Band C | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Wall Hung | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Wall Hung Combination | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Wall Hung Compact | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Wall Hung Exterior Servicing | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Wall Hung Kitchen Unit Modular Size | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Wall Hung Room Seal Balanced Flue | 1 supplier |
| BOILERS DOMESTIC Oil Fired: Wall Hung System Boilers | 1 supplier |
| HEATING COMMERCIAL Oil Fired Boilers Condensing . | 1 supplier |
