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Effortless comfort, Maximum Efficiency
GV90+® Gas Boiler Series 2

The GV90+® is designed for homeowners who seek the perfect combination of ideal heating comfort, lower utility bills, peace-of-mind reliability and product longevity.
Features
HIGH EFFICIENCY
Exceeds ENERGY STAR® requirements with a 91% rating efficiency
DURABLE DESIGN
Durable cast iron primary heat exchanger; Condensing stainless steel secondary heat exchanger
exchanger design
Unique 7 pass heat exchanger design maximizes heat transfer
Venting
Vents with PVC; Multiple ventilation options (direct vent, direct exhaust, concentric)
Conversion Flexibility
Easy conversion to propane (kit included)
USER-FRIENDLY CONTROL
Proven controls with simple, easy-to-understand diagnostics
SEE In ACTion
big on warmth, low on energy use
Engineered for comfort, designed for efficiency
Certified ENERGY STAR® and heat pump ready, this high-efficiency boiler delivers powerful, eco-friendly performance while keeping energy costs low.


Technical Specs
MODEL | AFUE (%) | CSA INPUT (MBH) | NET (MBH) | DOE HEATING CAP. (MBH) | VENT SIZE (IN.) |
---|---|---|---|---|---|
GV90+3 | 91.9 | 70 | 56 | 65 | 3 |
GV90+4 | 91.2 | 105 | 84 | 97 | 3 |
GV90+5 | 91.4 | 140 | 113 | 130 | 3 |
GV90+6 | 91 | 175 | 140 | 161 | 3 |