Weil-McLain PLUS-E017-A/1206 manual PLUS 100/110/119 Option, A2 Water heater pipingcontinued

Manual • Installation • Start-Up • Usage • Maintenance • Parts

A2 Water heater piping  continued

Figure 4

Piping — OPTION 1

PLUS 100/110/119

(See Figure 5, page 12, for OPTION 2, required for 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

PLUS 100/110/119 Option 1

Apply the following and Figure 4 to water heaters other than those installed in Massachusetts. For Commonwealth of Massachusetts installations, see Option 2, Figure 5, page 11.

1.Install a brass tee in the domestic water inlet piping using suitable pipe dope or tape, located as shown in Figure 4.

2.Pipe the drain valve off of the brass tee as shown in Figure 4, using suitable pipe dope or tape.

3.For jurisdictions requiring a vacuum breaker, use the piping shown in Figure 5, page 11 (Option 2).

4.Obtain brass tee and drain valve from local supplier.

Part Number PLUS-E017-A/1206 11