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 |
| 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 |
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'