COLONIAL GAS

Water Series

CGWA-Series III

Designed for residential and small commercial applications with approved chimney.

Integrated Boiler Control


Temperature control, relay and ignition functions in a single module. Includes additional circulator output for a second heating zone or an indirect water heater. 

  • Cast iron heat exchanger

  • Boiler easily field convertible to left side piping

  • Built-in rear draft diverter to fit low spaces

  • Controls located inside the jacket and easily accessible from front of boiler.

  • Eight sizes from 38 to 280 MBH

  • Limited Lifetime Warranty

Additional Features/Benefits

  • Available with natural or LP gas

  • Designed for installation on combustible floors

  • Stack Damper; Rollout Switch; Blocked Vent Switch; ASME relief valve (30 PSI)

  • Stainless steel burners

  • Includes 24V low water cutoff

  • Includes two 1-1/4” isolation valves

Technical Specifications

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