4BVF – DuraVent 4-Inch Adjustable B-Vent Roof Flashing
$16.044BVF is an adjustable DuraVent roof flashing for compatible 4-inch Type B gas vent systems. It accommodates roof pitches from 0/12 through 6/12 and provides a properly formed transition around the vent penetration when professionally installed.
507DR89 – 9” Start Collar w/ Damper
$21.08507DR89 9 Inch Start Collar with Damper creates a dependable connection between a compatible HVAC plenum or ductboard surface and 9-inch round ductwork. Its integrated damper allows convenient airflow adjustment during system balancing.
- Model: 507DR89
- Nominal diameter: 9 inches
- 30-gauge galvanized steel construction
- Integrated airflow damper
- Connects compatible round HVAC ductwork
- Professional installation recommended
Supply Plenum R8 16 x 19 3/4 x 48
$218.78Supply Plenum R8 16 x 19 3/4 x 48 is an insulated galvanized-metal plenum designed to connect compatible indoor HVAC equipment with the supply duct system. Its R8 insulation and 26-gauge construction support dependable air distribution.
- Measures 16 x 19 3/4 x 48 inches
- R8 insulated construction
- 26-gauge galvanized metal
- Knocked-down design for assembly
- Silver exterior finish
- Made in the USA
- Designed for HVAC supply-air applications
10×6 Supply Grill TRU-103M
$12.75The 10×6 Supply Grill TRU-103M is a durable 3-way sidewall and ceiling register designed for reliable air distribution. It features steel construction, stamped louvers, an adjustable multi-shutter damper and a clean white powder-coated finish.
6×6 Supply Grill TRU-104M
$13.17The 6×6 Supply Grill TRU-104M is a durable 4-way sidewall and ceiling register designed for balanced air distribution. It features stamped steel construction, half-inch blade spacing and a clean white powder-coated finish.
14×8 Supply Grill TRU-103M
$15.46The 14×8 Supply Grill TRU-103M is a durable 3-way sidewall and ceiling register designed for reliable air distribution. It features steel construction, stamped louvers, an adjustable multi-shutter damper and a clean white powder-coated finish.
8” Insulated Flex Duct – R8
$90.868 Inch Insulated Flex Duct R8 is a 25-foot flexible air duct designed for residential and light commercial HVAC systems. It combines fiberglass insulation, a reinforced inner core, and a durable silver vapor-barrier jacket to support efficient supply or return airflow.
- Nominal diameter: 8 inches
- Length: 25 feet
- Insulation rating: R8
- Fiberglass insulation
- Reinforced flexible inner core
- Silver outer vapor barrier
- Suitable for supply and return-air applications
10×8 Supply Grill TRU-103M
$14.95The 10×8 Supply Grill TRU-103M is a durable 3-way sidewall and ceiling register designed for reliable air distribution. It features steel construction, stamped louvers, an adjustable multi-shutter damper and a clean white powder-coated finish.
12” Insulated Flex Duct – R6
$112.4512 Inch Insulated Flex Duct R6 provides a flexible air-distribution solution for compatible residential and light commercial HVAC systems. Its reinforced inner core, R6 fiberglass insulation and durable vapor barrier support reliable supply or return airflow.
- Nominal diameter: 12 inches
- Length: 25 feet
- Insulation rating: R6
- Fiberglass thermal insulation
- Reinforced flexible inner core
- Durable exterior vapor barrier
- Suitable for compatible supply and return systems
M&M – 1″ x 200′ 24GA Hanger Strap
$30.13Ensure superior structural support for your heaviest HVAC ducting with the premium M&M 24GA hanger strap. Proudly manufactured in the USA from solid, non-perforated galvanized steel, this industrial-grade hanging strap provides exceptional tensile strength and lasting rust resistance for both demanding residential and commercial installations.
- Industrial Thickness: Constructed from heavy-duty 24-gauge solid steel to securely support large rigid sheet metal and heavy flexible ductwork without sagging.
- Non-Perforated Design: Solid steel continuous roll allows for custom, high-strength fastening methods tailored to specific heavy-load job site requirements.
- Corrosion Resistant: Treated with a premium galvanized finish that shields the metal from rust, moisture, and degradation in unconditioned environmental spaces.
- Extended Roll Length: Comes in a massive 200-foot continuous spool (1 inch wide), providing ample material for extensive ducting layouts while reducing waste.
Aluminum Tape
$31.04Ensure an impenetrable vapor barrier on your HVAC ductwork with our premium silver aluminum FSK tape. Specially engineered for professional installers, this heavy-duty foil tape features a reinforced three-way mesh, providing exceptional tear resistance and lasting adhesion for sealing joints, fiberglass wraps, and mesh-reinforced ductwork.
- Reinforced Durability: Features a high-strength three-way reinforcing mesh specifically designed for demanding fiberglass duct wrap applications and structural repairs.
- Superior Sealing: Expertly seals moisture and vapor barrier joints in three-way FSK (Foil-Scrim-Kraft) ductwork, preventing condensation and energy loss.
- Reliable Adhesion: Built with a heavy-duty rubber-based adhesive that delivers an impressive 70 oz/in adhesion strength, protected by a premium bleached Kraft release film.
- Temperature Resilient: Performs flawlessly in continuous operating temperatures up to 200°F (93.33°C), ensuring long-term reliability in harsh attic and crawlspace environments.
8×4 Supply Grill TRU-103M
$10.20The 8×4 Supply Grill TRU-103M is a durable 3-way sidewall and ceiling register designed for reliable air distribution. It features steel construction, stamped louvers, an adjustable multi-shutter damper and a clean white powder-coated finish.
507DR814 – 14” Start Collar w/ Damper
$14.68507DR814 14 Inch Start Collar with Damper creates a dependable connection between a compatible HVAC mounting surface and 14-inch round ductwork. Its integrated damper allows convenient airflow adjustment during system setup and balancing.
- Model: 507DR814
- Nominal diameter: 14 inches
- Galvanized steel construction
- Integrated airflow damper
- Connects compatible round HVAC ductwork
- Professional installation recommended
8” Start Collar w/ Damper
$13.79507DR88 8 Inch Start Collar with Damper creates a dependable connection between compatible ductboard and 8-inch round HVAC ductwork. Its integrated damper helps regulate airflow through the connected duct branch.
- Model: 507DR88
- Nominal diameter: 8 inches
- Designed for 1½″ or 2″ ductboard
- Integrated airflow damper
- Connects compatible round HVAC ductwork
- Professional installation recommended
24×24 Return Air Filter Grille TRU-190
$97.80The 24×24 Return Air Filter Grille TRU-190 provides a convenient return-air opening and accommodates a compatible 1-inch HVAC filter. It features stamped steel construction, a fixed hinged face and a pristine white powder-coated finish.
7” Insulated Flex Duct – R6
$66.557 Inch Insulated Flex Duct R6 provides a flexible and insulated air-distribution solution for compatible residential and light commercial HVAC systems. Its 25-foot length, reinforced inner core, fiberglass insulation and durable vapor barrier support reliable supply or return airflow.
- Nominal diameter: 7 inches
- Length: 25 feet
- Insulation rating: R6
- Fiberglass thermal insulation
- Reinforced flexible inner core
- Durable exterior vapor barrier
- Suitable for compatible supply and return systems
8×4 Wall Supply Grill TRU-210VM
$20.92The 8×4 Wall Supply Grill TRU-210VM is an adjustable 1-way wall and ceiling register designed for controlled air distribution. It features individually adjustable blades, durable steel construction and a clean white powder-coated finish.
UC3636-3 – UltraLite Concrete Equipment Pad 36″ × 36″ × 3″
$139.78UC3636-3 is a DiversiTech UltraLite equipment pad measuring 36 × 36 × 3 inches. Its lightweight concrete-composite construction provides a stable, weather-resistant base for compatible HVAC condensers, heat pumps, and other outdoor equipment.
- Dimensions: 36 × 36 × 3 inches
- Material: Fiber-cement over an engineered EPS core
- Allowable load: Approximately 528 lb
- Surface: Textured for improved equipment stability and drainage
- Application: Condensers, heat pumps, and outdoor equipment
- Installation: Lightweight and easy to position
- Country of origin: USA
10x8x7 Register Box R6
$26.95The 10x8x7 Register Box R6 connects compatible HVAC ductwork to a supply register or grille. Its insulated construction helps reduce heat transfer and supports dependable airflow in residential and light commercial systems.
Universal Silver Locking Cap (1 Each)
$30.54Safeguard your air conditioning and mini-split systems with the patented Universal Silver Locking Cap. Designed to prevent refrigerant leaks and unauthorized access, this secure cap offers double protection with a simple installation.
- Safety First: Helps protect children from serious injury by preventing access to hazardous refrigerants.
- Leak Prevention: Protects system efficiency and the environment from accidental gas loss.
- Durable Construction: Precision-machined brass core surrounded by a protective aluminum cover.
- Tamper-Resistant: Can only be installed and removed with a special tool.
4BV12 – DuraVent 4″ × 12″ Type B Gas Vent Pipe
$19.904BV12 by DuraVent is a 4″ × 12″ Type B gas vent pipe designed for compatible listed gas-fired appliances. Its double-wall construction combines an aluminum inner wall with a durable galvanized steel exterior and is UL Listed.
16” Start Collar w/ Damper
$29.95507DR816 16 Inch Start Collar with Damper provides a dependable transition from compatible ductboard to 16-inch round HVAC ductwork. It features durable 28-gauge galvanized steel construction and an integrated damper for convenient airflow adjustment.
- 16-inch round duct connection
- Integrated airflow-control damper
- 28-gauge galvanized steel construction
- Compatible with 1.5-inch and 2-inch ductboard
- Suitable for residential HVAC applications
- Professional installation recommended
20×25 Return Air Filter Grille TRU-190
$58.95The 20×25 Return Air Filter Grille TRU-190 provides a convenient return-air opening and accommodates a compatible 1-inch HVAC filter. It features stamped steel construction, a fixed hinged face and a pristine white powder-coated finish.
6” Insulated Flex Duct – R6
$59.51Upgrade your residential or light commercial air distribution system with our high-efficiency 6″ insulated flex duct R6. Engineered for maximum thermal retention and reliable airflow, this flexible HVAC ducting features a reinforced inner core, thick thermal fiberglass insulation, and a heavy-duty vapor barrier to prevent energy loss and condensation in challenging installation environments.
- Thermal Efficiency: Insulated with high-quality R6 fiberglass to significantly reduce heat loss and thermal transfer in unconditioned spaces like attics and crawlspaces.
- Durable Construction: Built with a reinforced flexible inner core that resists kinking and crushing, ensuring consistent airflow and system pressure.
- Moisture Protection: Features a resilient heavy-duty outer vapor barrier jacket that effectively prevents condensation buildup and protects against environmental damage.
- Flexible Installation: Designed for easy routing through tight ceiling cavities and complex framing, speeding up installation times for professional contractors.

Air Conditioner Systems (Electric Heat)
Gas Split System
Heat Pump Systems
Mini Split Systems
Package Units
Mobile Home Systems
AC & Heat Pump Condensers
Evaporator Coils
Air Handlers
Electric Heat Kits
Furnace
Condenser Pad
Drain Pans
Fittings & Connections
Flue Pipe
Line Set
Thermostat
PVC Pipe & Fittings
Miscellaneous Supplies
Ducting & Venting
Exhaust Fan
Flex Duct
Return Plenum
Supply Plenum
Registers & Grilles
Filters
Grilles





