Code Compliant DTV – Simplify By Plumbing For Compliance

Code Compliant DTV – Simplify By Plumbing For Compliance

As a component of their normal operation, commercial equipment such as dishwashers, combi ovens, and steam humidifiers discharge superheated steam and water. This effluent needs to be tempered down before going to drain and entering public sewers.

ThermOmegaTech® offers the drain tempering valve (DTV) to simplify this process and comply with drain temperature limitations of international plumbing codes.

See some FAQs about the DTV below.


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FAQ #1: When should the DTV be used?

A DTV should be used in any application where drain effluent with temperatures exceeding 140°F must be cooled prior to entering a public sewer in accordance with plumbing codes.

Failure to comply with these temperature limitations may lead to failed inspections, fines, and damage to PVC piping or equipment.

FAQ #2: How does the DTV work?

The DTV is installed into the drain line so that the hot effluent passes over the thermostatic actuator to constantly monitor drain water temperature. When effluent temperatures rise above the valve’s set-point, the valve will automatically modulate open to allow cold water to flow into the drain, cooling the effluent.

Once the effluent’s temperature falls below the set-point, the DTV modulates closed, cutting off cold water flow to conserve water.

FAQ #3: Can the DTV handle steam?

Yes, the DTV can handle fluid temperatures up to 250°F.

FAQ #4: What sizes are available?

The DTV is offered in 1/2″, 3/4″, and 1″ sizes in both brass and stainless steel.

FAQ #5: How do I select a size?

Use our online DTV Flow Calculator! To view the calculator, click here

Reliable and self-operating, the DTV ensures drain water temperatures comply with internationally mandated plumbing regulations.

For more information on the DTV, we invite you to visit our website or to contact our team of product experts.