GV+ 91% Gas Boiler
The GV+ gas boiler is one of the greenest cast iron boilers on the market. Our durable cast iron primary heat exchanger extends product life. Corrosion resistant stainless steel condensing secondary heat exchanger increases efficiency up to 5% by recouping heat energy from exhaust normally wasted when vented from the building.
- Up to 92% AFIE
- Durable cast iron primary heat exchanger
- Stainless steel secondary condensing heat exchanger
- Unique 7 pass heat exchanger design
- Vents with PVC
- Multiple venting options
- Down-fired counter flow boiler design
- Built-in dual circulator strategy
- Low water temperature capable
- Unique control design with easily integrated outdoor reset
- Diagnostic trouble shooting
| MODEL | Input MBtuH | Output MBtuH | AFUE | Dimensions HxWxD | Water Content Gal. | Weight Lbs. |
|---|---|---|---|---|---|---|
| GV-4 | 105.0 | 97.0 | 91.2 | 30.75x24.6x30.75 | 4.70 | 353 |
| GV-3 | 70.0 | 65.0 | 91.9 | 30.75x24.6x30.75 | 3.80 | 313 |
| GV-5 | 140.0 | 130.0 | 91.4 | 30.75x24.6x37.75 | 6.00 | 432 |
| GV-6 | 175.0 | 161.0 | 91.0 | 30.75x24.6x37.75 | 6.90 | 464 |
Warranty Information
- All Parts for 24 months -
- Heat Exchanger for 240 months -
- Secondary Heat Exchanger for 60 months -
Available Documents
- 16-8828.pdf (Color, Customer Information, Consumer Literature)
- 16-8829.pdf (Customer Information, Owners Manual)
- 16-8831.pdf (Customer Information, Warranty Information)
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