Condensing Boiler

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Q175S click to zoom into photo of
  • Fully modulating pump combines with stainless steel heat exchanger to make this one of the more efficient units available
  • Optional 3-way valve available to eliminate the need for a pump for the indirect tank
  • Compact wall-mounted design saves space over traditional boilers
  • Super quiet operation
  • Outdoor reset function with sensor included
  • Plumbing kits with low-loss header included
  • Available in Natural Gas or Propane
  • Variety of venting options available
  • ASME accredit units

26” W x 27” H x 15” D


141 lbs.

Approved Gas Types

Natural Gas or Propane

Minimum/Maximum Gas Rate Input BTUs (Heating)

35,000 - 175,000 (NG) and 74,000 - 175,000 (LP)

Maximum Flow Rate

Indirect tank compatible

AFUE Rating

95.7.1% (NG and LP)

Optional Digital Controller


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