Why the "M" Series?  For maximum momentum.  Using proven technology, these boilers are designed to keep your day going and your family happy.

Standard Features:

• Onboard outdoor reset control system with sensor standard
• Prebuilt plumbing kit with insulated Low Loss Header
• Priority DHW standard
• Built in DHW plate heat exchanger
• Domestic hot water plate warming
• Modulating Ceramic premix burner
• 5:1 turn down ratio
• Spark ignition
• Exceeds SCAQMD 1146.2 Low NOx requirements
• Stainless Steel Water tube condensing heat exchanger
• Direct Vent sealed combustion
• Concentric and twin pipe venting adapters included
• Approved for room and closet installations
• Max Input: 90,000 BTUh
• Minimum Input: 23,500 BTUh
• Turndown Ratio: 3.83.1
• DHW Output: 4.2 GPM @ 70 Degrees F

Dimensions: