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How to connect Azel SP-6 to Weil Mcclain boiler

heatingdpeng Member Posts: 35
can any one show me how to connect Azel sp-6 to Weil mcclain CGA-5, picture enclosed,
From SP-6, showing 2 wire connect to boiler burner control, so where should I connect to Weil Mcclain ?
Here is the I-LINK SP-6


  • kcopp
    kcopp Member Posts: 3,787
    Connect TT on the Azel control to the 2 thermostat terminals on the W-Mc control w/ tstat wire.