Weil-McLain PLUS-E017-A/1206 manual GOLD Plus 30/40/60/80 or Plus 40/60/80 Option, Drain valve

PLUS LINE  Indirect-Fired Water Heaters – Series 3

A2 Water heater piping  continued

Figure 3

Piping — OPTION 2 Models 30/40/60/80 or Plus 40/60/80 (Required for Commonwealth of Massachusetts)

An expansion tank may be required on the DHW piping. See Thermal expan- sion WARNING on page 13. Failure to comply could result in severe personal injury, death or substantial property damage.

When the water supply pressure is higher than 70 psig, install a pressure-reducing valve on the cold water supply line to prevent leakage from the T & P relief valve.

Drain valve

GOLD Plus 30/40/60/80

or Plus 40/60/80

Option 2

Apply the following and Figure 3 to water heaters installed in Massachusetts. The drain valve is mounted in the AUX tapping on top of the water heater.

1.Insert a close nipple and then an open-ended “draining” dip tube into the AUX tapping on top of the heater.

2.Connect a ¾” NPT elbow to the AUX tapping, using suitable pipe dope or tape.

3.Pipe the drain valve (supplied with water heater) to the elbow, using suitable pipe dope or tape, as shown in Figure 3.

4.Pipe the T & P relief valve in the run of the ¾” NPT brass tee (supplied with heater), located in the domestic water outlet piping as shown in Figure 3.

10 Part Number PLUS-E017-A/1206