HVAC DUCT WORK & VENTILATION

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GAS VENT PIPE ACCESSORIES

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Ameri-Vent 3ESC Double Wall Round Storm Collar, 3 in, 3-1/2 in ID x 6-5/8 in OD, Steel Our Price: $2.11	Ameri-Vent 4ESC Double Wall Round Storm Collar, 4 in, 4-1/2 in ID x 7-5/8 in OD, Steel Our Price: $2.63	Imperial GV0843 Round Start Small End Stove Pipe Collar with Crimped, 6 in, Galvanized Our Price: $3.76

Use as a counter flashing. Use mastic to seal the vent pipe.	Use as a counter flashing. Use mastic to seal the vent pipe.	Transition from rectangular duct to round pipe.


Ameri-Vent 6EVC Double Wall Vent Collar, 6 in, 6-5/8 in ID x 12-7/8 in OD, Steel Our Price: $3.86	Ameri-Vent 3EVC Double Wall Vent Collar, 3 in, 3-5/8 in ID x 8-3/4 in OD, Steel Our Price: $4.00	Ameri-Vent 4EVC Double Wall Vent Collar, 4 in, 4-5/8 in ID x 8-3/4 in OD, Steel Our Price: $4.02

Provides a cover for rough wall openings and serves as a firestop.	Provides a cover for rough wall openings and serves as a firestop.	Provides a cover for rough wall openings and serves as a firestop.


Ameri-Vent 5EVC Double Wall Vent Collar, 5 in, 5-5/8 in ID x 10-7/8 in OD, Steel Our Price: $4.07	Imperial GV0748 Round Duct Damper With Key, 4 in Dia, 28 ga, Steel, Galvanized Our Price: $4.38	Imperial GV0281-C Adjustable Stove Pipe Elbow, 90 deg, 3 in Our Price: $5.04

Provides a cover for rough wall openings and serves as a firestop.	Use to adjust and balance airflow in individual runs of round pipe.	Used to change the direction of airflow in round branch pipe. Adjustable from 0? to 90?. Commonly used on HVAC applications.


Imperial GV0931 Round Chimney Wall Thimble, 6 in x 6 in, Galvanized Our Price: $5.31	HANGER VENT PIPE 3IN Our Price: $5.36	Imperial GV0957-B Duct Side Take Off, 4 in Dia, 30 ga, Steel, Galvanized Our Price: $5.44

Used with tee branch and chimney section to provide proper clearance to combustible materials.	Bracket for supporting the chimney pipe offsets, securing outdoor chimney to exterior wall.	Used for transition from air plenums or rectangular duct to round pipe or insulated duct. 30 gauge.


Imperial GV0296-C Adjustable Stove Pipe Elbow, 0 - 90 deg, 6 in Our Price: $5.79	Imperial GV0291-C Adjustable Stove Pipe Elbow, 0 - 90 deg, 5 in Our Price: $5.83	Imperial GV0360-A Furnace Snap-Lock Round Pipe, 30 in, Crimped, Steel Our Price: $6.02

Used to change the direction of airflow in round branch pipe. Adjustable from 0? to 90?. Commonly used on HVAC applications.	Used to change the direction of airflow in round branch pipe. Adjustable from 0? to 90?. Commonly used on HVAC applications.	Used to distribute warm and cold air.


Imperial GV0290-C Adjustable Stove Pipe Elbow, 90 deg, 5 in Our Price: $6.40	Ameri-Vent 5ESC Double Wall Round Storm Collar, 5 in, 5-1/2 in ID x 8-5/8 in OD, Steel Our Price: $6.67	Ameri-Vent 6ESC Double Wall Round Storm Collar, 6 in, 6-1/2 in ID x 9-5/8 in OD, Steel Our Price: $6.87

Used to change the direction of airflow in round branch pipe. Adjustable from 0? to 90?. Commonly used on HVAC applications.	Use as a counter flashing. Use mastic to seal the vent pipe.	Use as a counter flashing. Use mastic to seal the vent pipe.


Imperial GV0323 1-Piece Corrugated Stove Pipe Elbow, 4 in Our Price: $7.12	Imperial GV0958-B Duct Side Take Off, 5 in Dia, 30 ga, Steel, Galvanized Our Price: $7.20	Imperial GV0385 Furnace Snap-Lock Round Pipe, 30 in, Crimped, Steel Our Price: $7.27

Used to change the direction of airflow in round branch pipe. Fixed at 90?.	Used for transition from air plenums or rectangular duct to round pipe or insulated duct. 30 gauge.	Used to distribute warm and cold air.


Imperial GV0289-C Adjustable Stove Pipe Elbow, 90 deg, 5 in Our Price: $7.27	Imperial GV0935 Round Chimney Wall Thimble, 7 in x 6 in, Galvanized Our Price: $7.40	Imperial GV0586 Shanty Cap, 3 in Steel, Galvanized Our Price: $7.53

Used to change the direction of airflow in round branch pipe. Adjustable from 0? to 90?. Commonly used on HVAC applications.	Used with tee branch and chimney section to provide proper clearance to combustible materials.	Used to control back drafts. Prevents rain from entering the chimney.


Imperial GV0969-A Duct Top Take Off, 5 in Dia, 30 ga, Steel, Galvanized Our Price: $7.69	Imperial GV0733 Round Stove Pipe End Cap, 4 in Our Price: $7.74	FLASHING ROOF VENT 3IN 2-WALL Our Price: $7.90

Used to tap into the top of trunk duct. Forms a transition from rectangular to round branch duct. Used when branch ducts are to be located within a joist space. 30 gauge.	Use to terminate a non-crimped end of round pipe or tee joint.	For use with double wall type B gas vent. Standard flashing fits flat to 5/12 pitch roofs. Double seamed construction for protection from leakage.


Imperial GV0939 Round Chimney Wall Thimble, 8 in x 6 in, Galvanized Our Price: $8.14	Imperial GV0682 Register Universal Boot, 30 ga, Steel, Galvanized Our Price: $8.29	Imperial GV1418 Taper Stove Pipe Increaser, 3 X 4 in, Large End Crimped, 26 ga, Galvanized Our Price: $8.36

Used with tee branch and chimney section to provide proper clearance to combustible materials.	Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 gauge.	Used to increase diameter of galvanized round perimeter pipe.


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