Best Horizontal Concentric Vent Kit Options for Water Heaters
Answering the question: which horizontal concentric vent kit is best for your water heater installation? This guide highlights five solid choices, clarifying who each product is best for and why. It helps buyers choose kits that simplify installation, fit wall thickness, and ensure proper venting. Ideal buyers include homeowners upgrading venting to high-efficiency units, contractors seeking durable materials, and those replacing a failed termination kit. The quick-reference table below summarizes each option to aid side-by-side comparison.
| Product | Brand | Best For | Key Note |
|---|---|---|---|
| Concentric Vent Kit – 2 in. | Rheem | Replacement OEM part | Not approved for MA/NY |
| RTG20280-1 ProTech Horizontal Vent Termination Kit | Rheem | Tankless gas non-condensing systems | Includes 12″ wall plate |
| CVENT-3 3-Inch Concentric Kit | Diversitech | High-efficiency furnaces and tankless heaters | Low-profile, dual-pipe configuration |
| RTG20274A Direct Vent Horizontal Termination Kit | Rheem | Direct replacement for compatible Heaters | Works up to 5″ wall thickness |
| SP20286 3-Inch Concentric Vent Termination Kit | SHAHN | Replacement for Rheem/Ruud systems | High-temperature resistant plastic |
Concentric Vent Kit – 2 in. by Rheem
The 2-inch Rheem kit is designed as an OEM genuine factory authorized part, offering straightforward installation for compatible Rheem systems. Best for replacing aging terminations on standard 2-inch conduits. A potential limitation is regional approval; it is not approved for Massachusetts and New York installations.
RTG20280-1 ProTech Horizontal Vent Termination Kit
This kit offers durable stainless steel components and a complete wall plate assembly (12 inches) with mounting screws for secure installation. It’s best for tankless gas non-condensing water heaters needing a robust, corrosion-resistant termination. Choose this if you prioritize a complete wall plate and a 94-degree elbow for proper venting alignment. Limitation: designed for specific wall thickness and vent configurations.
DiversiTech CVENT-3 3-Inch Concentric Kit
This 3-inch vent kit supports high-efficiency furnaces and tankless heaters with a dual-pipe configuration for streamlined installation. It also emphasizes proper venting and a low-profile design that conceals intake and exhaust work for a tidy exterior wall. Best for installations where appearance and compactness matter. Limitation: may be larger than some 2-inch systems, so confirm compatibility with your unit’s venting requirements.
Rheem ProTech Concentric Direct Vent Kit (3″/5″)
Designed as a direct replacement for Rheem, Ruud, and Richmond heaters, this kit supports additional venting for complete installation and covers walls up to 5 inches thick. Best for Rheem-centric systems needing a straightforward swap. Caution: verify compatibility with your specific model’s venting layout and ensure the wall thickness allowance is appropriate.
SP20286 Beige 3-Inch Concentric Vent Termination Kit
SHAHN’s SP20286 is a 3-inch kit replacement designed for Rheem/Ruud HVAC systems. It uses heat- and corrosion-resistant plastic to withstand high exhaust temperatures and maintains a clean exterior wall appearance by concealing piping. Best for those prioritizing aesthetics and durable plastics; limitation includes material choices that may not suit all climates or long-term heavy-duty use. Choose this if you want an unobtrusive, low-maintenance finish.
Dakota Sourcing 22153 PVC Concentric Kit
This 3-inch PVC concentric vent termination kit is designed for water heaters with a focus on reducing labor and cost during installation. It supports horizontal or vertical venting and requires only one hole to be cut, which simplifies work on-site. Best for budget-conscious projects or where rapid DIY installation is desired. Limitation: PVC compatibility must match your heater’s venting material requirements.
Buying Guide: Key Considerations For Selecting A Horizontal Concentric Vent Kit
- Vent size compatibility: Confirm your heater’s vent size, wall thickness, and whether a 2-inch or 3-inch kit is needed.
- Material durability: Stainless steel resists corrosion; high-temperature plastics can reduce weight but verify heat tolerance.
- Installation specifics: Check if the kit includes a wall plate, elbows, or mounting hardware; ensure the kit fits your wall configuration.
- Regional approvals: Some kits have regional restrictions; ensure compliance with local code requirements.
- Aesthetic considerations: Low-profile or concealed venting can improve exterior wall appearance.
- Direct replacement vs new installation: Replacement parts should match your heater model for a seamless fit.
Frequently Asked Questions
What is a concentric vent kit?
A concentric vent kit combines intake and exhaust piping in a single assembly to vent a furnace or water heater through a single wall opening.
Can I use any vent kit on any heater?
No. Vent kits must be compatible with your specific heater model, vent size, and wall thickness requirements.
Why would I choose a 3-inch kit over a 2-inch kit?
A 3-inch kit is needed for higher airflow or larger vent pathways typical of high-efficiency systems; confirm your equipment’s needs first.
Are PVC vent kits acceptable for all installations?
PVC kits are suitable for certain configurations but may not be compatible with all gas-heated or high-temperature exhaust systems. Check compatibility with your appliance and local codes.
Do vent kits require professional installation?
Some installations can be DIY if the user is comfortable with venting work and local codes; many jurisdictions require professional installation for compliance and safety.