Filter
Top Products
58
Part Number PLUS-E017-A/1206
PLUS LINE
Indirect-Fired Water Heaters – Series 3
1. These drawings are conceptual only. They show representative piping components and
layout. Weil-McLain does not represent that the drawings meet any particular mechanical
or building codes. The installer is responsible for inclusion of all required safety devices, or
other miscellaneous piping hardware not shown on drawings. The installer is responsible
for proper sizing/selection of all hardware shown on this diagram.
2. Follow component manufacturer’s instructions for installation of all items shown.
3. See Weil-McLain installation instructions for specific details on installing the boiler.
Notes
Figure 40
Typical wiring:
• Zoning with 4-wire zone
valves
• With domestic priority using
2-way priority valve
• PLUS 100/110/119 only
• Also refer to Weil-McLain
Boiler Zone Wiring Guide for
further details.
• Refer to Wiring requirements on
page 47.
System piping —
Apply this wiring to systems
in:
• Figure 23, page 39, (using 2-
way water heater zone valve and
2-way priority valve)
Boiler-side wiring & controls (except Gas) continuedD