• ENERGY STAR qualified
• 95.7% AFUE rating
• 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

Dimensions: 26” W x 27” H x 15” D
Weight: 141 lbs.
Approved Gas Types: Natural Gas or Propane
Minimum/Maximum Gas Rate Input BTUs (Heating): 41,000 - 205,000 (NG) and 74,000 - 205,000 (LP)
Maximum Flow Rate: Indirect tank compatible
AFUE Rating: 95.7.1% (NG and LP)
Optional Digital Controller: RS100

• User Manual: Condensing Wall-Mounted Boilers Q Series (French)
• Installation Manual: Condensing Wall-Mounted Boilers Q Series (French)
• Owners Manual: RS100 Control System Operating Instructions
• Spec Sheet: Q175S_Q205S
• Application Drawings: Boiler