Weil-McLain PLUS LINE PLUS-E017-A/1206 - Manual (Page 11)

Part Number PLUS-E017-A/1206 11
Manual
• Installation • Start-Up • Usage • Maintenance • Parts
Figure 4
Piping — OPTION 1
PLUS 100/110/119
(See Figure 5, page 12, for OPTION 2,
required for Massachusetts)
Drain valve
PLUS 100/110/119
Option 1
Apply the following and Figure to water heaters other than those installed in Massachusetts.
For Commonwealth of Massachusetts installations, see Option 2, Figure , page 11.
1. Install a brass tee in the domestic water inlet piping using suitable pipe dope or tape, located
as shown in Figure .
2. Pipe the drain valve off of the brass tee as shown in Figure , using suitable pipe dope or tape.
. For jurisdictions requiring a vacuum breaker, use the piping shown in Figure , page 11
(Option 2).
. Obtain brass tee and drain valve from local supplier.
An expansion tank may be required on
the DHW piping. See Thermal expan-
sion WARNING on page 1. Failure to
comply could result in severe personal
injury, death or substantial property
damage.
Water heater piping
continued
A2
When the water supply pressure is higher than 0 psig, install a pressure-reducing valve on the cold water supply
line to prevent leakage from the T & P relief valve.