What should I do if my Ruud Ultra Plug-in Heat Pump with HydroBoost (120V Shared Circuit) has a relief valve producing popping noise or draining?

CAUTION: For your safety, always consult the manual or a professional before attempting any fixes.

Possible Cause: Pressure buildup caused by thermal expansion in a closed system.
What To Do: This is an unacceptable condition and must be corrected. Contact the water supplier or plumbing contractor on how to correct this. DO NOT plug the relief valve outlet.

If the problem persists, please call our customer service at 1-800-432-8373.