Answering the common buyer question: which horizontal vent termination kit best fits your tankless gas water heater or high-efficiency furnace? This guide highlights five well-suited options, clarifying who each kit is best for and why. It focuses on ease of installation, compatibility with common vent sizes, and how each kit can improve exterior aesthetics by concealing ventwork. The following table summarizes the top picks to help you compare at a glance.
| Product | Vent Size | Best For | Notes |
|---|---|---|---|
| Diversitech HVENT2 2-Inch Horizontal Vent Kit | 2 in | 2-inch vented tankless heaters and furnaces | Low-profile, conceals intake/exhaust |
| SP20286 3-Inch Vent Horizontal Kit (Outdoor Wall) | 3 in | Exterior installations with 3-inch vent systems | Includes screws for exterior wall |
| Diversitech HVENT-3 Horizontal Term Kit | 3 in | 3-inch vent terminations | Compact option from Diversitech |
| Rheem RTG20280-1 ProTech Horizontal Kit | 3 in | Tankless gas non-condensing systems | Stainless steel construction |
| ZNTVW SP20285 Horizontal Kit | 2 in | 2-inch vent systems for outside walls | Beige aesthetic; center-to-center 5.5 in |
Diversitech HVENT2 2-Inch Horizontal Vent Kit
The Diversitech HVENT2 is designed for 2-inch vent systems used by high-efficiency appliances, including tankless water heaters and furnaces. It emphasizes a low-profile design that conceals both intake and exhaust pipework, delivering a tidy exterior appearance. Best for homeowners with 2-inch vent configurations who want a clean exterior look and straightforward installation.
Best for: customers who value a compact, unobtrusive exterior finish and straightforward mounting. Choose this if your system uses a 2-inch vent and you want a dedicated kit that blends with modern exteriors. A potential limitation is that it is sized specifically for 2-inch vents, so incompatible with larger ductwork.
SP20286 3-Inch Vent Horizontal Kit (Outdoor Wall)
The SP20286 kit is tailored for 3-inch vent terminal systems and exterior-wall installations. It ships with durable screws for exterior mounting and is built from materials designed to withstand outdoor conditions. Best for exterior wall installations where a robust, corrosion-resistant outdoor vent termination is needed. A limitation to note: confirm that your system uses a 3-inch vent to ensure proper fit.
Best for: exterior-facing setups requiring a 3-inch vent termination with secure wall mounting. Better for: installations where you want straightforward exterior mounting with included hardware. Avoid this if your system uses a non-3-inch vent size.
Diversitech HVENT-3 Horizontal Term Kit
The DiversityTech HVENT-3 is a 3-inch horizontal termination kit designed for compact installations. It provides a direct, 3-inch vent termination option, aligning with common 3-inch venting systems. Best for: users with 3-inch venting needs seeking a dedicated Diversitech solution. A potential limitation is that detailed installation specifics (like wall thickness compatibility) aren’t listed in the brief features.
Rheem RTG20280-1 ProTech Horizontal Vent Kit
Rheem’s RTG20280-1 ProTech kit features stainless steel components for durability and corrosion resistance. It includes a 12-inch wall plate assembly for secure mounting and an angled 94-degree elbow to facilitate proper venting configuration. Best for: Rheem tankless gas non-condensing systems where corrosion resistance and a robust wall plate are priorities. Limitation: the kit is described with its own components, so verify compatibility with your specific Rheem model and wall thickness needs.
ZNTVW SP20285 Horizontal Vent Kit for 2-Inch Pipes
SP20285 from ZNTVW is designed for 2-inch PVC/ABS vent piping and exterior-wall installations. It emphasizes improved aesthetics on exterior walls and notes a 5.5-inch center-to-center dimension, which is crucial for aligning with existing wall openings. Best for: exterior applications where 2-inch venting is required and visual prominence matters. Caution: confirm the vent size and center-to-center spacing to ensure a proper fit with your wall layout.
SP20286 3-Inch Vent Termination Kit for Rheem
Obida’s SP20286 is positioned as an efficient termination kit for 3-inch vent systems, aligning with Rheem SP20286 parts and ensuring compatibility. Best for: ensuring reliable vent termination for a Rheem-based 3-inch system. A potential limitation: confirm exact model compatibility and wall thickness for your installation site.
Buying Guide
Vent size compatibility matters most. Confirm your appliance’s vent diameter (2-inch or 3-inch) before selecting a kit. Consider wall placement and whether the installation is exterior or interior, as some kits emphasize aesthetics for outside walls. Durability is key in outdoor applications; stainless steel or corrosion-resistant materials extend life. Look for included hardware (screws, wall plates) to simplify mounting. If you own a specific brand, such as Rheem or Diversitech, verify model compatibility to avoid mismatch.
Key purchase considerations
- Vent size compatibility: 2-inch vs 3-inch systems.
- Exterior vs interior installation requirements and weather durability.
- Material quality: stainless steel vs standard metals.
- Included mounting hardware and wall plate specifics.
- Brand-specific compatibility with your appliance (tankless water heater or furnace).
FAQ
- Q: Can I use a 2-inch kit on a 3-inch vent system?
A: No, vent and termination kits are designed for matching vent diameters; choose the correct size for proper fit and safety. - Q: Are these kits suitable for exterior walls?
A: Several options are designed for outdoor use; verify weather resistance and mounting hardware included for exterior installations. - Q: Do these kits require professional installation?
A: They can be installed by capable DIYers if vent layouts and wall clearances are understood; for gas appliances, a professional inspection is recommended. - Q: Will the kit affect appliance efficiency?
A: Proper termination and venting ensure safe operation and optimal performance by maintaining correct venting paths and avoiding leaks. - Q: Which kit is best for a Rheem system?
A: The Rheem ProTech and compatible 3-inch kits are designed with Rheem installations in mind, providing secure mounting and vent alignment. - Q: How important is the center-to-center dimension?
A: It affects alignment with existing wall openings; mismatches can require additional wall work or adapters.