SP20245 – CONCENTRIC VENT KIT (3″)
Rheem SP20245 concentric vent kit, 3″ diameter. For condensing tankless water heaters. Combines intake and exhaust in one wall penetration. Simplifies installation.
Walk in. We test every part free at the counter. Open to homeowners, contractors, and multifamily — no account or minimum order.
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Ten departments, organized the way our counter is. Every category is on the shelf today.
Bring your old part. We'll diagnose it, find the replacement, and bench-test the new one at the counter before you leave — so you only make one trip.

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Rheem SP20245 concentric vent kit, 3″ diameter. For condensing tankless water heaters. Combines intake and exhaust in one wall penetration. Simplifies installation.

24V DPDT fan relay (90340). Controls the indoor blower fan in heating and cooling modes. Quick-connect terminals, multi-position mounting. Universal replacement.

16″W x 8″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

PF14201 pleated air filter. MERV 11, high-capacity 14″ x 20″ x 1″. Fits standard residential HVAC systems. Replace every 30-90 days for best airflow and filtration.

10″W x 8″T 3-way supply register with stamped steel face. White powder coat. Built-in multi-shutter damper for airflow control. Wall or ceiling mount.

3/8″ ACR copper coupling with rolled stop (C x C). Joins two pieces of 3/8″ copper pipe in a straight line. Wrot copper for brazing.

ToughBuilt electrician’s folding utility knife. Combines knife, wire cutter, prying tool, and screwdriver in one compact folding design.

ICM2813 aftermarket control board for Lennox SureLight furnaces. Direct replacement for 83M00 and dozens of Lennox part numbers. Fits single and 2-stage models.

Honeywell F100F2020/U media air cleaner, 20×20. MERV 11 rated, captures particles down to 0.3 microns. 1,400 CFM capacity. Whole-house filtration upgrade.

18″ aluminum 3-blade condenser fan blade. 27° pitch, CW rotation, hubless (no hub). Replacement for HVAC condenser and heat pump units.