Download Weil-McLain 80 Specifications

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PLUS LINE Indirect-Fired Water Heaters – Series 3
B3
gas
Field wiring —
Figure 19
Gas boilers only (continued)
Low voltage field wiring connections
Summer/winter switch (item 7) — Install a summer/winter switch, if desired, to disable the boiler
(space heating) circulator during non-heating months. Connect switch across the outdoor sensor
terminals. When switch closes, the boiler circulator is disabled and the boiler operates only on call
for DHW heating.
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Part Number PLUS-E017-A/1206