3
MAC-3 WIRED WITH A TJERNLUND MODEL SS1 OR SS2 SIDESHOT® VENT SYSTEM
MAC-3 WIRED WITH A POWER VENTER, DRAFT INDUCER OR IN-FORCER WITH A MOTOR GREATER THAN 9 AMPS
TJERNLUND MODELS INCLUDE THE XL DRAFT INDUCER, HS-5 POWER VENTER & PAI-7 IN-FORCER
