| System ReplacementThis is a complete System Replacement Installation. The price includes a full replacement of your existing system boiler in the same location providing your existing boiler has a round flue, your gas pipe is the correct size and close proximity to a soil/storm water pipe gulley or waste water pipe.  | OUTPUT (KW) | WARRANTY (YEARS)* | FULL SPEC | PRICE | | | | | | | | | | | | |  | OUTPUT (KW) | WARRANTY (YEARS)* | FULL SPEC | PRICE | | GREENSTAR 12i | 12 | 2 |  | £1,450 | | | | | | | | | | | | | LOGIC 15 | 15 | 2 |  | £1,350 | | GREENSTAR 15i | 15 | 2 |  | £1,500 | | | | | | | | | | | | | LOGIC 18 | 18 | 2 |  | £1,380 | | GREENSTAR 18i | 18 | 2 |  | £1,550 | | | | | | | | | | | | | LOGIC 24 | 24 | 2 |  | £1,400 | | GREENSTAR 24Ri | 24 | 2 |  | £1,600 | | | | | | | | | | | | | LOGIC 30 | 30 | 2 |  | £1,430 | | GREENSTAR 30CDi | 30 | 2 |  | £1,650 | | | | | | | | | | | | | LOGIC+ 15 | 15 | 2 |  | £1,420 | | | | | | | | | | | | | | | | | | LOGIC+ 18 | 18 | 2 |  | £1,450 |  | OUTPUT (KW) | WARRANTY (YEARS)* | FULL SPEC | PRICE | | | | | | | | | | | | | LOGIC+ 24 | 24 | 2 |  | £1,480 | | VITODENS 100-W | 26
| 2
|  | £1,530 | | | | | | | | | | | | | LOGIC+ 30 | 30 | 2 |  | £1,500 | | VITODENS 100-W | 30
| 2
|  | £1,560 | | | | | | | | | | | | | | | | | | | VITODENS 100-W | 35
| 2
|  | £1,600 | | | | | | | | | | | | |  | OUTPUT (KW) | WARRANTY (YEARS)* | FULL SPEC | PRICE | | VITODENS 100-W | 19
| 2
|  | £1,650 | | | | | | | | | | | | | MEGAFLO 15 HE A | 15 | 2 |  | £1,445 | | VITODENS 100-W | 26 | 2 |  | £1,700 | | | | | | | | | | | | | MEGAFLO 18 HE A | 18 | 2 |  | £1,470 | | VITODENS 100-W | 30 | 2 |  | £1,800 | | | | | | | | | | | | | MEGAFLO 24 HE A | 24 | 2 |  | £1,545 | | VITODENS 100-W | 35 | 2 |  | £1,850 | | | | | | | | | | | | | MEGAFLO 28 HE A | 28 | 2 |  | £1,570 | | | | | | | | | | | | | | | | | | MEGAFLO 32 HE A | 32 | 2 |  | £1,600 |  | OUTPUT (KW) | WARRANTY (YEARS)* | FULL SPEC | PRICE | | | | | | | | | | | | | | | | | | | PROMAX 12 HE PLUS A | 12 | 2 |  | £1,440 | | | | | | | | | | | | |  | OUTPUT (KW) | WARRANTY (YEARS)* | FULL SPEC | PRICE | | PROMAX 15 HE PLUS A | 15 | 2 |  | £1,430 | | | | | | | | | | | | | ECOTEC PLUS 612 | 12 | 2 |  | £1,450 | | PROMAX 18 HE PLUS A | 18 | 2 |  | £1,450 | | | | | | | | | | | | | ECOTEC PLUS 615 | 15 | 2 |  | £1,500 | | PROMAX 24 HE PLUS A | 24 | 2 |  | £1,480 | | | | | | | | | | | | | ECOTEC PLUS 618 | 18 | 2 |  | £1,590 | | PROMAX 32 HE PLUS A | 32 | 2 |  | £1,560 | | | | | | | | | | | | | ECOTEC PLUS 624 | 24 | 2 |  | £1,690 | | | | | | | | | | | | | | | | | | ECOTEC PLUS 630 | 30 | 2 |  | £1,790 |  | OUTPUT (KW) | WARRANTY (YEARS)* | FULL SPEC | PRICE | | | | | | | | | | | | | ECOTEC PLUS 637 | 37 | 2 |  | £1,850 | | ULTRACOM2 12 SXI | 12 | 2 |  | £1,400 | | | | | | | | | | | | | | | | | | | ULTRACOM2 18 SXI | 18 | 2 |  | £1,500 | | | | | | | | | | | | | | | | | | | ULTRACOM2 30 SXI | 30 | 2 |  | £1,600 | | | | | | | | | | | | | | | | | | | FLEXICOM 18 SX 18 | 18 | 2 |  | £1,400 | | | | | | | | | | | | | | | | | | | FLEXICOM 30 SX 30 | 30 | 2 |  | £1,500 |
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