Brand guide
All HTP / Phoenix water heater guides
Choose the symptom or code that matches your unit. Confirm the exact model and control generation against the rating plate before following model-specific instructions.
Leaks and flooding
HTP Phoenix Problems: Lockout to Leak
Phoenix lockouts are condensate, ignition, sensors, or scale — not a mystery board. Run this sequence.
Pilot and ignition problemsHTP Water Heater Troubleshooting Steps
HTP Phoenix and SuperStor failures follow a short list: ignition, condensate, sensors, scale. Run these checks.