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 Heat–Tracing Applications
RaychemHWAT
Raychem The Raychem HWAT system is a hot water temperature maintenance system that utilizes self–regulating heating cables, an easy–to–install set of connection kits and electronic controller to provide commercial buildings with immediate hot water at the tap without the use of a water recirculation system.

HWAT–Y2 and HWAT–R2 self–regulating heating cables are designed for installation on hot water supply pipes underneath standard pipe insulation. The cable adjusts its power output to compensate for variations in water temperature and ambient temperature. It produces more heat if the temperature drops and less heat if the temperature rises. The heating cable replaces supply–pipe heat losses at the point where the heat loss occurs, thereby providing continuous, energy efficient, hot water temperature maintenance and eliminating the need for a recirculation system.

HWAT System Project References

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Technology


Approvals and Code Compliance
The HWAT system, with or without the HWAT–ECO controller, is UL Listed, CSA Certified, and FM Approved in nonhazardous locations.

HWAT is also in compliance with the following international and national codes:
—International Plumbing Code
—International Building Code
—International Energy Conservation Code
—National Standard Plumbing Code
—National Electrical Code
—Canadian Electrical Code

Additionally, HWAT has numerous state and local code approvals. Contact your Tyco Thermal Controls representative for further information.
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