Install Instructions

5
Option 3
Certain types of boilers may utilize a
relay or series of relays to control the
burner and circulator circuits. To wire into
a boiler of this type, the Model RB-24E
can be wired as shown.
Option 4
Some boiler wiring diagrams indicate
where a LWCO should be wired. In
this diagram the RB-24E can be wired
as shown.