| Domestic | Nat. Gas | LPG |
|---|---|---|
| + Building Regulations | ||
|
Non-masonry flue Hot Water System Without Storage Heating System Waste Water Heat Recovery Device Extension to Existing Heating System Flue Gas Heat Recovery Device Heating Controls Separate to Heating Appliance Hot Water System with Vented Hot Water Storage |
||
| + Combustion performance gas analysis | ||
|
Combustion Performance Analysis LPG Combustion Performance Analysis NG |
||
| + Gas Boiler | ||
|
Central Heating DOM LPG Central Heating DOM NG |
||
| + Gas installation pipework | ||
|
Pipework DOM NG (CORE) Pipework PD DOM LPG Flue Liners |
||
| + Vented hot water storage cylinders | ||
|
Vented Cylinders |
||
| + Gas Water heaters | ||
|
Water Heaters DOM NG Water Heaters DOM LPG |
||
| Non Domestic | Nat. Gas | LPG |
|---|
