Aruba 4 Gas-Fired Hot Water Boiler

Designed for reliability, efficiency and performance. For residential and small commercial applications with approved chimney.

  • 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

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Top Features


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

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

Available Upgrade Options

  • 24 Volt Low Water Cutoff
  • Docking station that accepts plug in modules for:
    • Low Water Cut Off
    • Outdoor temperature reset
    • Redundant high limit
  • Touchscreen display