- Assure Combi 25 (GC No. 4739358)
- Assure Combi 30 (GC No. 4739359)
- Assure Combi 36 (GC No. 4739367)
- Assure Heat 13 (GC No. 4159266)
- Assure Heat 16 (GC No. 4159267)
- Assure Heat 19 (GC No. 4159268)
- Assure Heat 25 (GC No. 4159269)
- Assure Heat 30 (GC No. 4159270)
- Assure System 12 (GC No. 4159412)
- Assure System 15 (GC No. 4159254)
- Assure System 18 (GC No. 4159255)
- Assure System 24 (GC No. 4159413)
- Gold 24 HE (GC No. 4759005)
- Gold 24 HE A (GC No. 4739318)
- Gold 28 HE (GC No. 4759006)
- Gold 28 HE A (GC No. 4739319)
- Gold 33 HE (GC No. 4759019)
- Gold 33 HE A (GC No. 4739320)
- Gold Combi ErP 24 (GC No. 4739343)
- Gold Combi ErP 28 (GC No. 4739344)
- Gold Combi ErP 33 (GC No. 4739346)
- Gold H 15 (GC No. 4159212)
- Gold H 18 (GC No. 4159213)
- Gold H 24 (GC No. 4159214)
- Gold Heat ErP 15 (GC No. 4159251)
- Gold Heat ErP 18 (GC No. 4159252)
- Gold Heat ErP 24 (GC No. 4159253)
- Gold System ErP 18 (GC No. 4159239)
- Gold System ErP 24 (GC No. 4159240)
- Gold System ErP 28 (GC No. 4159241)
- Heatmax Combi 24 HE (GC No. 4739327)
- Heatmax Combi 28 HE (GC No. 4739328)
- Heatmax Combi 33 HE (GC No. 4739329)
- Performa 24 (GC No. 4739306)
- Performa 24 ECO HE (GC No. 4739311)
- Performa 24i HE (GC No. 4739312)
- Performa 28 (GC No. 4739307)
- Performa 28i (GC No. 4739308)
- Performa 30 HE (GC No. 4739313)
- Performa System 12E (GC No. 4159088)
- Performa System 12HE (GC No. 4159124)
- Performa System 18E (GC No. 4159089)
- Performa System 18HE (GC No. 4159125)
- Performa System 24E (GC No. 4159090)
- Performa System 24HE (GC No. 4159126)
- Performa System 28E (GC No. 4159090)
- Performa System 28HE (GC No. 4159127)
- Potterton Apollo 25 (GC No. 4739338)
- Potterton Apollo 30 (GC No. 4739337)
- Potterton Promax Combi 24 HE Plus A (GC No. 4739321)
- Potterton Promax Combi 28 HE Plus A (GC No. 4739322)
- Potterton Promax Combi 33 HE Plus A (GC No. 4739323)
- Precision BG (GC No. 4159233)
- Profile 18 KW Heat Only (GC No. 4107596)
- Profile 24 KW Heat Only (GC No. 4107597)
- Profile 30 KW Heat Only (GC No. 4107598)
- Profile Heat ErP 18
- Profile Heat ErP 24
- Profile Heat ErP 30
- Profile IE ErP Heat 18
- Profile IE ErP Heat 24
- Profile IE ErP Heat 30
- Profile IE ErP System 18
- Profile IE ErP System 24
- Profile IE ErP System 30
- Profile System 18 KW (GC No. 4107599)
- Profile System 24 KW (GC No. 4107793)
- Profile System 30 KW (GC No. 4107794)
- Profile System ErP 18
- Profile System ErP 24
- Profile System ErP 30
- Promax 12 HE Plus A System (GC No. 4159199)
- Promax 12 He Plus System (GC No. 4159190)
- Promax 15 HE Plus A System (GC No. 4159201)
- Promax 15 He (GC No. 4159058)
- Promax 15 He Plus System (GC No. 4159191)
- Promax 15/2 He Plus (GC No. 4160552)
- Promax 18 HE Plus A System (GC No. 4159202)
- Promax 18 He Plus System (GC No. 4159192)
- Promax 24 HE Plus A System (GC No. 4159203)
- Promax 24 He (GC No. 4159062)
- Promax 24 He Plus System (GC No. 4160121)
- Promax 24/2 He Plus (GC No. 4160117)
- Promax 30 FSB (GC No. 4159539)
- Promax 30 He Plus (GC No. 4160122)
- Promax 32 HE Plus A System (GC No. 4159204)
- Promax 32 He Plus System (GC No. 4159193)
- Promax Combi 24 HE Plus (GC No. 4739317)
- Promax Combi 28 HE Plus (GC No. 4759004)
- Promax Combi 33 HE Plus (GC No. 4759003)
- Promax ErP Combi 24 (GC No. 4739347)
- Promax ErP Combi 28 (GC No. 4739348)
- Promax ErP Combi 33 (GC No. 4739349)
- Promax ErP System 12 (GC No. 4159242)
- Promax ErP System 15 (GC No. 4159243)
- Promax ErP System 18 (GC No. 4159244)
- Promax ErP System 24 (GC No. 4159245)
- Promax ErP System 32 (GC No. 4159246)
- Promax HE Store (115 litres) (GC No. 4159176)
- Promax HE Store (150 litres) (GC No. 4159177)
- Promax HE Store (90 litres) (GC No. 4160124)
- Promax SL 12 He Plus (GC No. 4159179)
- Promax SL 15 He Plus (GC No. 4159187)
- Promax SL 18 He Plus (GC No. 4159180)
- Promax SL 24 He Plus (GC No. 4159188)
- Promax SL 30 He Plus (GC No. 4159189)
- Promax SL Heat ErP 12 (GC No. 4159234)
- Promax SL Heat ErP 15 (GC No. 4159235)
- Promax SL Heat ErP 18 (GC No. 4159236)
- Promax SL Heat ErP 24 (GC No. 4159237)
- Promax SL Heat ErP 30 (GC No. 4159238)
- Promax Ultra Combi ErP 24 (GC No. 4739354)
- Promax Ultra Combi ErP 28 (GC No. 4739355)
- Promax Ultra Combi ErP 33 (GC No. 4739356)
- Promax Ultra Combi ErP 40 (GC No. 4739357)
- Titanium 24 (GC No. 4739339)
- Titanium 24 Combi ErP (GC No. 4739350)
- Titanium 28 (GC No. 4739340)
- Titanium 28 Combi ErP (GC No. 4739351)
- Titanium 33 (GC No. 4739341)
- Titanium 33 Combi ErP (GC No. 4739352)
- Titanium 40 (GC No. 4739342)
- Titanium 40 Combi ErP (GC No. 4739353)
- Ultra Heat 12kW (GC No. 4159256)
- Ultra Heat 15kW (GC No. 4159257)
- Ultra Heat 18kW (GC No. 4159258)
- Ultra Heat 21kW (GC No. 4159259)
- Ultra Heat 24kW (GC No. 4159260)
- Ultra System Potterton 12KW (GC No. 4159271)
- Ultra System Potterton 15KW (GC No. 4159272)
- Ultra System Potterton 18KW (GC No. 4159273)
- Ultra System Potterton 24KW (GC No. 4159274)
- Ultra System Potterton 28KW (GC No. 4159275)