Rough In Dimensions - A.O. Smith W/HOT Instruction Manual

ROUGH-IN-DIMENSIONS
Rough-In-Dimensions
Top/Side Inlet and Outlet: 3/4" NPT
Gas Inlet: 1/2" NPT
Capacity and Gas and Electrical Characteristics
All models - Maximum Supply Pressure: 14 inches W.C. (3.48kPa)
Minimum Supply Pressure Natural Gas: 5.0 inches W.C. (1.24kPa)
Minimum Pressure must be maintained under both load and no load (static and dynamic) conditions.
Recovery Capacities - U.S. Gallons/Hr. and Liters/Hr. at Temperature Rise Indicated
Recovery capacity based on 90% thermal efficiency.
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