Utica MAC 164K BTU Wall Mount Combi Boiler 95% AFUE Nat/LP Gas Condensing

SKU: MAC120503640110

Weight	55 lbs
Condition	New
Manufacturer Part Number	MAC120503640110
Brand	Utica Boilers

$6,395.00

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$6,395.00	0%
5–9	$6,075.25	5%
10+	$5,755.50	10%

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Utica MAC 164K BTU Wall Mount Combi Boiler 95% AFUE Nat/LP Gas Condensing

Specifications & product details

Utica MAC Series Wall-Mounted Condensing Combi Boiler – 164,000 BTU Input

The Utica MAC Series high-efficiency condensing combi boiler delivers powerful space heating and domestic hot water from a single compact wall-mounted unit. Designed with Artificial Intelligence gas control, this boiler automatically recognizes Natural Gas or LP gas and self-calibrates combustion—no conversion kit required.

Built with a 316L stainless steel heat exchanger and burner, the MAC series offers exceptional durability, corrosion resistance, and long service life. With a 95% AFUE efficiency rating and a 7:1 modulation ratio, it maximizes fuel savings while delivering steady performance across varying demand levels.

Key Benefits:

Combi Design: Space heating + domestic hot water in one unit
High Output: 164,000 BTU input / 153,000 BTU heating capacity
AI Gas Control: Self-commissioning, auto gas detection
Sealed Combustion: Safe, quiet, and efficient operation
High DHW Flow: Ideal for residential and light commercial use
Flexible Venting: Coaxial, CPVC, PVC, or polypropylene (adapters required)

Included Components:

Boiler control package
Induced draft fan
Internal two-speed boiler pump
Pressure & temperature gauge
Condensate drain trap
Relief valve

⚠️ Note: System circulator pump(s) sold separately (per manufacturer specification).

This unit is a premium alternative to Navien, Bosch, and Lochinvar combi boilers—ideal for contractors seeking reliability, efficiency, and fast installation.

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