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Discontinued Gas Tankless Water Heaters
Greentherm C 950 / 1050 ES
Greentherm C 950 / 1050 ES
Greentherm C 950 / 1050 ES
Therm C1210 ES/EC for S/N 212 & lower
Therm C1050 ES for S/N 202-212
Therm C1050 ES for S/N 201 & lower
Therm C950 ES for S/N 202-212
Therm C950 ES for S/N 201 & lower
Therm C940 ES for S/N 202-212
Therm C940 ES for S/N 201 & lower
Therm 940 ESO
Therm 940 ESO
Therm 940 ESO
Therm 940 ESO
Therm 940ESO for S/N 202-212
Therm 940ESO for S/N 201 & lower
Therm 830ES for S/N 202-212
Therm 830ES for S/N 201 & lower
Therm 660 EF/EFO
Therm 660 EF/EFO - Spanish
Therm 660 EF/EFO - French
Therm 660 EF/EFO
Therm 660 EF
Therm 660 EFO
Therm 520 PN
Therm 330 PN
Therm 520 HN
330 PN
330 PN
520 HN
520 HN
520 PN
520 PN
GWH C 920 ES/ESC
GWH 715 ES High Altitude
GWH 800 ES High Altitude
GWH 635 ES
GWH 450 ES
GWH 345/450 ESR
GWH 425 HN - S/N 686 & Higher
GWH 425 HN - S/N 685 & Lower
GWH 425 HN - Spanish
GWH 425 HN - French
GWH 425 HNO
GWH 425 EF
GWH 425 PN
GWH 425 PN - French
GWH 425 PN - Spanish
GWH 260 PN
Pipe Cover
GWH 345/450 ESC
Tankless & Point of Use
Cascading Kit
AQ1 Power Vent Kit for GWH 425 HN S/N 685 & Lower
AQ4 Horizontal Vent Kit for GWH 425 HN S/N 686 & Higher
Stainless Steel Concentric Venting
PVC Concentric Venting
Pro Tankless Outdoor Kit
Therm 660 EF/EFP Gas Conversion
Therm EF/EFO Pipe Cover
Therm 660/EFO Recess Box
Therm Water Filter Kit
520 HN / GWH 425 HN
Bosch GWH Tankless Models
GWH 2700 ES
GWH 2400 ES
GWH 1600 P
GWH 1600 PS
GWH 1600 H
GWH 1000 P
AQ3 Z-Vent (Z-Flex SVE Series III)
3" Vent Kit-GWH 2700 ES, GWH 2400 ES
AQ4 Vent Kit-GWH 1600P, GWO 1600H
AQOK Outdoor Kit-GWH 2700 ES, GWH 2400 ES
Air Handling Units
Hydronic Air Handler
Bosch AquaStar Models
38B
125B (Newer one port)
125B (Older two port)
125BL
125BO
125BS
125FX
125FX (older one port)
125FX (older two port)
125HX
125HX (older one port)
125HX (older two port)
125X
80VP
125VP
170VP
240FX
250 SX
250 SXO
250 SX Z-Vent
2400E
2400EO
AQ-1 Power Vent Kit
Ecotherm
ProTL Series
ProTL 175
ProTL 175
ProTL 199
ProTL 199
ProTL 175C/199C
ProTL 175C/199C
Determining the elevation limit of your 345/450 ESR or 715/C 800 ES
- FD Code 886 or lower - unit approved for elevations up to 4,500'
- FD Code 887-891 - NG unit approved for elevations up to 8,000'
- FD Code 887-891 - LP unit approved for elevations up to 4,500'
- FD Code 892 or higher - LP and NG units approved for elevations up to 8,000'