MINIMUM -
8” CLEARANCE ABOVE UNIT
NOTE: When soldering pipe joints remove heater from the wall. Serious
damage can occur if any soldering is done while pipes are connected to the
heater.
Take care to ensure that the pipes are correctly aligned with the inlet and
outlet bosses in order to avoid excessive stress on the heater body
molding.
6
Inlet Isolating
Ball Valve. (Always
leave fully open when
unit is in service.)
Outlet Isolating
Ball Valve
(throttle open
just enough to
obtain adequate
flow of hot water)
Union
Threaded type
Teflon tape only
No pipe dope
NPT
Elbow(s)
Pipe support
Figure 2b
Pipe
support
L1
GND
N
L2
or
Contactor
Wire nut
(GND)