• Up to 84.4% AFUE heating efficiency
• Cast Iron heat exchanger
• Gas-fired models
• Stainless steel/titanium alloy composite burners
• Fiberglass insulated casing
• Integral draft diverter
• Small, compact design
• 20-year parts limited warranty on heat exchanger
• 5-year parts limited warranty

EFFICIENCY

• Up to 84.4% AFUE

PERFORMANCE

• Rated heating output: 36,000-186,000 Btu/h
• Gas-fired, hot-water output

TECHNOLOGY

• Cast-iron heat exchanger
• Stainless titanium alloy burners
• Electronic spark to pilot ignition
• Single-stage gas valve
• Combination high-limit and circulator relay
• Integrated pressure relief valve
• Sidewall venting with available accessory power venter
• Section seals are cast iron push nipple type
• Propane convertible
• Recommended controls: Performance™ and Comfort™ series thermostats

CAPACITIES

• 36,000-186,000 Btu/h

REQUIREMENTS

• Power source: 110-125v

AESTHETICS

• Painted, steel outer casing in taupe metallic
• Dimensions: 29"H x 23.25"D; width varies by size: 11"-27.25"