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A.O. Smith Signature Series 6.6 GPM tankless water heater, front view

A.O. Smith

A.O. Smith Signature Series 6.6 GPM Tankless Water Heater

A.O. Smith Signature Series indoor natural gas tankless water heater with a condensing design. Rated at 160,000 BTU input and up to 6.6 GPM at a 35 degree F rise. Actual flow depends on incoming water temperature and demand. Confirm exact model and installation requirements before purchase.

$834.00 per unit

11 units available
Manufacturer model
GT15-240-NI
AMS stock number
AMS-WH-6P6GPM
Condition
New

Delivery & pickup

Front door delivery available across St. Louis Metro East. Cost and scheduling are confirmed with you before payment. Local pickup also available in Fenton, MO.

AMS confirms delivery availability, fees and timing before payment. Pickup is by appointment.

Professional installation is required. A qualified installer should confirm gas supply, venting, drainage and sizing for your home. Flow ratings alone don't determine fit.

Specifications

Manufacturer model
GT15-240-NI
Fuel type
Natural Gas (NG)
Series
Signature Series
Type
Tankless / condensing
Location
Indoor
Mounting
Wall mount
Maximum flow (GPM)
6.6
Rated at temperature rise (°F)
35
Input (BTU/h)
160000
Efficiency rating (as printed)
0.94
Rating type (unconfirmed)
Energy Factor
Emissions claim
Ultra low NOx
Height (in)
23.63
Width (in)
17.75
Depth (in)
11.25
Water connections (in)
3/4
Ignition
Electronic
Installation
Qualified installer must confirm gas supply, venting, drainage and sizing.