Weil Mclain Thermostat Wiring Diagram

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Weil mclain thermostat wiring diagram. Boilers home heating steam and hot water systems wiring a weil the boiler is a weil mclain model cg spon series 12 g r terminals are the connections for the thermostat which you said was connected to these. Boiler aquastat relay troubleshooting and control wiring. Weil mclain 510 312 167 transformer relay 120 24v weil mclain combination transformer relay receptacle 120 24v 40va for boiler models. The common side of the transformers secondary is pointed to by a large blue arrow.

What you need to know pex universe. Peg 30a s pi nat gas single pipe zone. Old tstat had w from transformer wired to w and y from transformer wired to r rc per this schematic. According to the cga 010 wiring diagram you ll want to connect the c wire for the thermostat to the terminal pointed to in this image.

Cgx cga vhe cg he pool1 free shipping on orders over 99. Typical wiring zoning with zone valves. Manuals and user guides for weil mclain cg 5. I have a weil mclain steam boiler.

Trying to wire up a wifi tstat with a c wire. The eg is a versatile gas cast iron boiler for water or steam applications. User manuals weil mclain boiler operating guides and service manuals. A closer look at my weil mclain boiler with beckett heat manager.

Weil mclain cg 5 owner s manual. Notice the transformer is circled in red. We have 1 weil mclain cg 5 manual available for free pdf download. Electrical damage if any electrical component or wir ing came into contact with water or was suspected to have come into contact with water replace the boiler with a new weil mclain boiler.