Dependable and durable, this gas-fired, hot-water output boiler is designed to serve your radiant system needs for years to come.
COMFOR 80 GAS-FIRED BOILER
$1.00
CAST IRON RADIANT SYSTEM BOILER
- Standing pilot ignition
- 20-year heat exchanger limited warranty
- Heated water output for hydronic systems such as baseboard radiators and radiant flooring
BRAND
LENNOX
MODEL
GWM-IE
Efficiency
80.0 – 80.4% AFUE
Heat Exchanger
Cast Iron

Features & Benefits
STANDARD FEATURES
- Up to 80.4% AFUE
- Gas-fired, hot-water output
- Cast-iron heat exchanger
- Titanium composite burners
- Standing pilot ignition
- Single-stage gas valve
- 10-year parts limited warranty1
- 20-year heat exchanger limited warranty
OPTIONAL FEATURES
- Optional labor warranty available2
Specifications
EFFICIENCY
- Up to 80.4% AFUE
PERFORMANCE
- Rated heating output: 30,000-226,000 Btu/h
- Gas-fired, hot-water output
TECHNOLOGY
- Cast-iron heat exchanger
- Titanium composite burners
- Standing pilot ignition
- Single-stage gas valve
- Combination high-limit and circulator relay
- Integrated pressure relief valve
- Integral draft diverter
- Section seals are cast iron push nipple type
- Propane convertible
- Recommended controls: Performance™ and Comfort™ series thermostats
CAPACITIES
- 30,000-226,000 Btu/h
REQUIREMENTS
- Power source: 110-125v
AESTHETICS
- Painted, steel outer casing in taupe metallic
- Dimensions: 31.375"H x 26.5"D; width varies by size: 8"-30.75"






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