Typical Installation
Temperature & Pressure
Relief Valve
(Inside nut)
Hex Union Nut
(Relief Valve)
Top of Water Heater Junction
Box
Drain Valve
Drain Pan
Pre-solder 12" minimum
stub pipes before installing
to unit.
Hot Water Outlet
Seal Ring
III!III
Cold Inlet Shut Off
Union
(The addition of a union at
this point will help in the
replacement of the T & P Relief
Valve should the need arise.)
Support the relief valve drain pipe
using metal strapping or wire
fastened to the structure overhead
Heat Trap 6"
Minimum
Thermal Expansion
Tank (if required)
See thermal
expansion section
on page 6.
Drain Pipe -(3/4" minimum)
No threads permitted
on end of Drain Pipe.
6" Maximum distance from
drain pipe to suitable open
drain.
9