The Problem:

Using hot water from a Tankless Water Heater automatically triggers a fire every time the water flows. Under Jewish law, causing a fire to ignite or distinguish in intensity is prohibited on Chag making this operation prohibited.

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The Solution:

The TETRIPH System features an incredibly sleek, space-saving footprint that easily fits into tight mechanical areas without creating clutter.
Reliable Because the system is entirely mechanical and non-electrical, you don't have to worry about fried circuit boards, power surge damage. No wires means no electrical headaches.

And It is engineered to be smarter, tougher, and more dependable than any other setup on the market today, ensuring seamless operation when you need it most.

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Halacha has a long history of embracing engineered solutions that allow Jews to maintain modern standards of living without compromising on Jewish law.

Using a system specifically engineered for Yom Tov means you get the best of both worlds: uncompromised halachic integrity and the full, comfortable enjoyment of the Chag.

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Worth every dollar for Yom Tov, your time is your most precious commodity. Every minute you aren't waiting for a water-heating window or boiling kettles to wash a mountain of dishes is a minute spent at the Seudah with family or getting well-deserved rest. You are literally buying back hours of your Chag.

Halachic Innovation:

Solving the Yom Tov Hot Water Challenge

​For years, the use of tankless water heaters on Yom Tov has presented a major halachic challenge.

Tankless systems activate a fire immediately when a hot water faucet is opened. On Yom Tov, causing this direct ignition or heating cycle is a significant halachic issue for many poskim (halachic authorities).

​Recognizing the need for a seamless, energy-efficient solution that fully respects halachic boundaries, our team at Chag Solutions set out to solve this problem.

​We engaged in extensive, in-depth discussions with numerous leading Rabbis and halachic experts to fully map out the core issues as they apply to modern tankless technology. Guided by their invaluable insights and specific halachic parameters, our engineering team went to work.

​The result is TETRIPH — a breakthrough system developed under the close, ongoing guidance of Rabbanim.

TETRIPH creates a permitted framework for hot water usage on Yom Tov for Ochel Nefesh, entirely eliminating the issue of direct, user-triggered ignition. Our solution bridges the gap between modern convenience and uncompromising halachic integrity, giving Jewish homes peace of mind without sacrificing comfort.