Drawing No. 3
7 1/2”
Note: “BX” cable must not touch
warm air plenum
R8225B Relay
for optional induced
draft only
Solid fuel relay
Junction box
Note: R8225B. Relay not required when damper motor is used
Fan and limit must be in this location.
(See drawing detail)
Blower cabinet may be installed on
either side of oil end
Summerair
e Model S.B.B.