
Air, Cond. Drain) ■ Combustion Air Filter ■ Design Certified ANSI Z21.10.3/CSA 4.3 Venting ■ Vent Termination □ Outdoor or Indoor, Vertical -Option D-11 □ Indoor, Horizontal - Option D-15 ■ Extractor - Optional □ By others □ Not required Multi-Boiler Digital Temp Controllers □ B-36 TempTracker Mod+, 2-4 Water Heaters □ B-37 TempTracker Mod+, 5-10 Water Heaters □ B-38 TempTracker Mod+, 11-16 Water Heaters Options □ F-10 □ I-5 □ S-1 □ S-2 □ Z-12 Low Water Cut-Off, Remote Pro