HSJ, 1, 2 with UC1	HS3, 4, 5 with UC1	GPAK-J*, 1*

Oil Venting

SS2 Sideshot	SS1 Sideshot	HSJ, 1, 2 with UC1

  In-Line Draft Inducers 

AD-1	DJ-3, D-3	I, IL	XL	HD

  Accessories 

UC1	MAC1E	MAC4E	WHKE

WHKI	WHK2	VH1 Series	DC Series Draft Control	DCG Series Draft Control

  In-Forcer Combustion Air Intake Systems 

PAI-1G, 2G	PAI-1O, 2O	PAI-3, 4, 5, 6, 7

  In-Forcer Fresh Air Intake Systems 

PAI-1T, 2T

  Duct Booster Fans 

DB-2	EA-5	EF-6	EF-8, 10, 12, 14
P-4, 6, 8	M-4, 6, 8

  Ventilation Fans 

AS1	AS1P	V1	V1D	V2D

  Santek Electronic Air Cleaners 

SX-2000	SD-1000	SP-1200