Reliance Water Heaters 317775-000 - Manual (Page 10)

10
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.