Ensure optimal performance and easy maintenance with isolation valves for tankless water heaters. Designed for quick shut-off, safe flushing, and emergency control, they protect your unit and extend its life. A smart add-on for new installs or retrofits.... Show more

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Product description

When it comes to maximizing the performance, longevity, and serviceability of your tankless water heater system, isolation valves are a must-have. Designed specifically for tankless units, isolation valve kits streamline maintenance, enable safe flushing procedures, and ensure quick shut-off during emergencies. Whether you're installing a brand-new unit or upgrading an existing setup, these valves represent a small investment that delivers big returns in system efficiency and ease of use.

What Are Isolation Valves?
Isolation valves are specialized components that allow both the inlet and outlet water lines of a tankless hot water unit to be shut off independently. Most kits also include full-port valves with integrated drain ports, allowing technicians or homeowners to perform descaling and flushing procedures without disconnecting the system.

Why They Matter for Tankless Systems
Tankless water heaters differ from traditional tank-based systems in that they require regular flushing to remove mineral buildup and ensure proper function. Without isolation valves, this process becomes labor-intensive, costly, and prone to error. With a valve kit installed, maintenance becomes a straightforward task—connect a pump and flushing solution to the integrated ports, and you're done in under an hour.

Construction & Compatibility
Most isolation valve kits are made from durable brass or stainless steel to resist corrosion and high water pressure. Compatible with natural gas and propane units, these valves fit nearly all major tankless water heater brands, including Rinnai, Navien, Noritz, Bosch, and Takagi. Available in both threaded and sweat configurations, installation is adaptable to copper, PEX, or CPVC plumbing systems.

Added Safety and Control
Isolation valves offer more than just maintenance benefits—they add an important safety element to your water heating system. In the event of an emergency or leak, you can isolate the heater from your home’s water supply in seconds, minimizing water damage and giving peace of mind.

Ideal for New Installations or Retrofits
Whether you’re a homeowner upgrading your plumbing or a professional installing a high-efficiency system, isolation valves are a best-practice component that will save time, reduce service costs, and improve the longevity of your tankless heater.