Rheem Marathon Thermal MTS105200 - Manual (Page 8)

8
Installing the storage tank.
Typical Installation
Temperature & Pressure
Relief Valve
Union
(The addition of a union at
this point will help in the
replacement of the T &
P Relief Valve should the
need arise.)
Drain Pipe
Drain Valve
Support the relief valve drain pipe
using metal strapping or wire
fastened to the structure overhead
Seal Ring
(Inside nut)
Hex Union Nut
(Relief Valve)
No threads permitted
on end of Drain Pipe.
6” Maximum distance from
drain pipe to suitable open
drain.
Cold Inlet Shut Off
Thermal Expansion
Tank (if required)
See thermal
expansion section
on page 5.
Heat Trap 6"
Minimum
Pre-solder 12" minimum
stub pipes before installing
to unit.
Hot Water Outlet
Bottom Water Connection Port
Top Water Connection Port