Instructions / Assembly

Gas Supply Installation

Install the manual gas appliance shut-off valve to the gas

connection at the water heater� The shut-off is supplied

with the water heater�

Install a ground joint union or ANSI design-certified semi-

rigid or flexible gas appliance connector to the open end

of the manual gas appliance shut-off valve� The (NFGC)

ANSI Z223�1 and CAN/CSA B149�1 codes mandate the

use of manual gas shut-off valves�

Install a manual gas supply line shut-off valve to the end

of the gas supply line�

Using the proper-size piping, fittings, and components,

build the gas supply line to the water heater�

NOTICE:

The gas supply line should be a minimum of 3/4-

in. (1.9-cm) black steel pipe or other approved gas

piping material.

Install a sediment trap at the lowest portion of the gas

line�

The inlet gas pressure to the water heater must NOT

exceed 10�5 in� w�c� (2�6 kPa) for natural gas and 13

in� w�c� (3�2 kPa) for LP gas� For purposes of input

adjustment, the minimum inlet gas pressure (with main

burner on) is shown on the water heater rating plate� If

high or low gas pressures are present, contact your gas

supplier for correction�

INSTALLATION INSTRUCTIONS

Gas Supply