Discontinued Therm & Gas Tankless

Models
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 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
Installation Manual
Installation Manual
Installation Manual
Installation Manual
Installation Manual
Installation Manual
Installation Manual
Installation Manual
Engineering Submittal Sheet
Installation Manual
Installation Manual
Installation Manual
Installation Manual
Installation Manual
Manual
Manual
Field Service Manual
Engineering Submittal Sheet
Engineering Submittal Sheet
Installation Manual
Installation Manual
Installation Manual
Models
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
Therm & Tankless Accessories
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
Installation Manual
Applications Manual
Applications Manual
Installation Instructions
Manual
Manual
Manual
Manual
Manual
Installation Instructions
Installation Instructions
Installation Instructions
Installation Instructions
Spare Parts List

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'

Here is the example of FD Plate Code No. (JPG 0.2 MB)