GMI Series

The GMI series is an innovative and design-award-winning line of hot water boilers. Certain GMI units are capable of burning dual gas or fuel.

See Dual Fuel or Gas Options

Gasmaster GMI Series GMI 4M BTU dual gas high-efficiency condensing boiler.

GMI 12M

Gasmaster GMI Series GMI 12M BTU high-efficiency condensing boiler.

GMI 8M

Gasmaster GMI Series GMI 8M BTU high-efficiency condensing boiler.

The GMI series is an innovative and design-award-winning line of hot water boilers. Certain GMI units are capable of burning dual gas or fuel.

See Dual Fuel or Gas Options

Gasmaster GMI Series GMI 4M BTU dual gas high-efficiency condensing boiler.

GMI 6M

Gasmaster GMI Series GMI 6M BTU high-efficiency condensing boiler.

GMI 4M

Gasmaster GMI Series GMI 4M BTU high-efficiency condensing boiler.

GMI 2M / 2ML

Gasmaster GMI Series GMI 2M BTU high-efficiency condensing boiler.

GMI 1.5M / 1.5ML

Gasmaster GMI Series GMI 1.5M BTU high-efficiency condensing boiler.

GMI 1M / 1ML

Gasmaster GMI Series GMI 1M BTU high-efficiency condensing boiler.

GMI 800 / 800L

Gasmaster GMI Series GMI 1M BTU high-efficiency condensing boiler.

DUAL FUEL

GMI 4M

Gasmaster GMI Series GMI 4M BTU dual fuel high-efficiency condensing boiler.

GMI 8M

Gasmaster GMI Series GMI 8M BTU dual fuel high-efficiency condensing boiler.

DUAL GAS

GMI 4M

Gasmaster GMI Series GMI 4M BTU dual gas high-efficiency condensing boiler.

GMI 8M

Gasmaster GMI Series GMI 8M BTU dual gas high-efficiency condensing boiler.