Miscellaneous

Field 6RC 6" Barometric Draft Control With Collar

Hubbell 192 4" Square Electrical Junction Box

Diversitech 625-S14 Emergency Switch Cover, 4 in L, For Use With 4 in Square Utility Box and Oil Burners, Steel, Red

Legrand 660G TradeMaster Grounding Single Pole Toggle Switch

Cromwell Concrete 4" X 8" X 16" Lightweight Solid Concrete Block

Backflow Preventers

Watts 9DM3 0061935 1/2 inch Female Union Brass Body Dual Check Backflow Preventer with Atmospheric Vent

Air Pipe Fittings

Southwark 546 6" 26 Gauge Smoke Pipe Tee

Southwark 90626 6" 26 Gauge Smoke Pipe 90 Degree Elbow

Circulator Flanges

Red and White 2417-1 Brass 1 inch Female Circulator Full Port Ball Valve Rotating Flange with Nuts and Bolts