80% EFFICIENCY INSTALL KIT

80% Efficiency Install Kit

A complete kit designed for installing 80% efficiency furnaces or tankless water heaters. Includes all black iron fittings, gas and PVC connections, electrical boxes, thermostats, pipe supports, venting components, and installation accessories needed for a professional, code-compliant setup.

What’s Inside:

Black Pipe & Gas Fittings – Nipples, tees, caps, unions, couplings, reducing elbows, and gas ball valves for water and gas connections.
PVC / Condensate Components – 3/4" PVC couplings, 45° and 90° elbows, tees, male adapters, and long sweep piping for drainage and condensate management.
Copper & PEX Connectors – Crimp rings, poly elbows, brass and sweat adapters for flexible piping connections.
Electrical Boxes & Accessories – Handy boxes, duplex and toggle covers, GFCI outlets, switches, Romex and conduit connectors, ground clamps, and squeeze connectors.
Pipe Supports & Mounting – One-hole and two-hole galvanized pipe straps, mounting pads, and clamps for secure installation.
Thermostats – T4 and T6 Pro thermostats for single- or multi-stage heating control.
Venting & Draft Components – Double wall increasers, draft hood connectors, universal adapters for proper exhaust venting.
Miscellaneous Accessories – Condensate pumps, silicone caulk, and other installation hardware to complete the kit.

Black Pipe Fittings

• B-12-CL – 1/2 × Close Black Nipple × 4
• B-12-4 – 1/2 × 4 Black Nipple × 2
• B-12-8 – 1/2 × 8 Black Nipple × 1
• B-12-10 – 1/2 × 10 Black Nipple × 1
• B-12-12 – 1/2 × 12 Black Nipple × 1
• BCU-12 – 1/2 Black Coupling × 2
• BRC-34-12 – 3/4 × 1/2 Black Reducing Coupling × 2
• B90-12 – 1/2 Black 90° Elbow × 4
• BT-12 – 1/2 Black Tee × 2
• BCA-12 – 1/2 Black Cap × 2

PVC Fittings

• 429-007 – 3/4 PVC Coupling × 4
• 406-007 – 3/4 PVC 90° Elbow × 6
• 410-007 – 3/4 PVC Male × Slip Elbow × 2
• 417-007 – 3/4 PVC 45° Elbow × 4
• 401-007 – 3/4 PVC Tee × 4
• 436-007 – 3/4 PVC Male Adapter × 2

Gas Components

• GBV12 – 1/2 Gas Ball Valve × 2
• GC1224 – 1/2 × 24 FIP × MIP Gas Flex (5/8) × 2
• 4EUA-F – 4 FPT Universal Adapter × 1
• 4EDC – 4 Draft Hood Connector Double Wall × 1
• 4EIX5 – 4 × 5 Double Wall Increaser × 1
• 4EIX6 – 4 × 6 Double Wall Increaser × 1

Electrical Boxes & Accessories

• TV243295 – 4 × 1-7/8D Draw Handy Box × 1
• TV243311 – Single Toggle Handy Box Cover × 1
• TV243329 – Duplex Handy Box Cover × 1
• LN50 – 3-pack 1/2" Conduit Lock Nut × 1
• CN50 – 1/2" Conduit Nipple × 1
• TV107582 – 1/2" Squeeze Connector × 5
• TV437103 – 1/2" 2-Screw Connector × 2
• TV583187 – 15A White SP Toggle Switch × 1
• TV369876 – 15A White Switch/Outlet × 1
• 750-RC841 – 3/8 Romex Connector for 1/2 KO × 5
• TV655571 – 1/2" to 1" Ground Clamp × 1
• 451-SW – 1/2" SI Connector × 5

Pipe Supports & Mounting

• RPS050 – 1/2" 2-Hole Galvanized Pipe Strap × 3
• RPS075 – 3/4" 2-Hole Galvanized Pipe Strap × 3
• RPS100 – 1" 2-Hole Galvanized Pipe Strap × 3
• 625-304 – 1/2" One Hole Pipe Strap × 10
• 625-305 – 3/4" One Hole Pipe Strap × 10
• MP-4E – Mounting Pad 4x4x7/8 × 4

Thermostats

• TH4110U2005/U – T4 Pro Therm 1 Hot / 1 Cold × 1
• TH6220U2000/U – T6 Pro Therm 2 Hot / 2 Cold × 1

Miscellaneous

• 08643 – 10 oz Silicone Caulk Gray × 1