How to install a water heater when your home lacks a traditional chimney
In short: Plumbing and heating expert Richard Trethewey demonstrates the process of installing a direct-vent water heater. This method is essential for homes without a chimney, as it uses specific piping to safely manage exhaust fumes.
Replacing a water heater in a home without a chimney requires a direct-vent system. Unlike standard models that rely on natural draft, direct-vent units use PVC piping to vent exhaust fumes directly outside. The installation process involves draining the existing unit with an electric pump and garden hose before connecting new water-supply lines using copper pipe and fittings.
The project requires specific materials, including lead-free solder, flux, and emery cloth for the water connections, alongside PVC primer and cement for the venting system. This approach ensures that combustion gases are properly managed in homes where traditional chimney venting is not an option.
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Sources
- Summary by Intellect · source: How to Replace a Direct-Vent Water Heater | This Old House
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