Residential
GV90+ 4
by Weil-McLain · GV90+ series
4.4(38)
Efficiency
91%
AFUE
Output
88k
BTU/hr
Turndown
On/off
modulation
Warranty
Limited
yr exchanger
The GV90+ 4 is a residential boiler best suited for budget replacements where condensing isn’t required. It delivers 91% AFUE efficiency with a On/off turndown ratio, backed by a Limited lifetime (cast section) heat-exchanger warranty.
Key features
- Gas-fired water boiler
- Durable cast section
- Simple reliable design
Technical specifications
Boiler typeResidential
FuelNatural Gas
AFUE efficiency91%
Heat input range70,000 – 105,000 BTU/hr
Heat output88,000 BTU/hr
Turndown ratioOn/off
VentingDirect vent
Dimensions (H×W×D)30" H × 16" W × 28" D
Weight285 lbs
ENERGY STARNot certified
Warranty coverage
Heat exchanger
Limited lifetime (cast section)
Parts
5 years
Labour (via installer)
1 year
Installed price range
$4,600 – $6,000
Unit only: $3,000 – $3,800
≈ $91/mo · 60 mo @ 6.99% APR
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For the GV90+ 4