Weil-McLain PLUS LINE PLUS-E017-A/1206 - Manual (Page 12)

12 Part Number PLUS-E017-A/1206
PLUS LINE
Indirect-Fired Water Heaters – Series 3
Figure 5
Piping — OPTION 2
PLUS 100/110/119
(Required for Commonwealth of
Massachusetts)
Drain valve
PLUS 100/110/119
Option 2
Apply the following and Figure to water heaters installed in Massachusetts. The drain valve
is mounted in the AUX tapping on top of the water heater.
1. Insert an open-ended “draining” dip tube into the AUX tapping on top of the heater.
2. Connect a elbow to the AUX tapping, using suitable pipe dope or tape.
. Pipe the drain valve to the elbow, using suitable pipe dope or tape, as shown in Figure .
. Pipe the T & P relief valve in the run of the brass tee, located in the domestic water outlet
piping as shown in Figure .
. Obtain brass tee and drain valve from local supplier.
Water heater piping
continued
A2
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.
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.