Booking today · Houston service windows 9–12 · 1–4 · 4–7 Independent GE specialists · Licensed & insured Mon–Fri 7:00 AM - 8:00 PM · Sat 8:00 AM - 6:00 PM
(713) 547-5545 Arrange a Repair
Error code · Water Heater

GE GeoSpring PF/PH Code F19: Runaway Heat Source

F19 on GE Profile GeoSpring PF and PH series heat pump water heaters (2025 and newer) means the control has detected a runaway heat source. In plain terms, the tank is getting hotter than the control…

High · stop use, call now
Arrange a Repair(713) 547-5545
Code
F19
Appliance
Water Heater
Brand
GE
Warranty
30-day workmanship

What F19 means

F19 on GE Profile GeoSpring PF and PH series heat pump water heaters (2025 and newer) means the control has detected a runaway heat source. In plain terms, the tank is getting hotter than the control is asking for, so heating is not shutting off the way it should. This can lead to very hot water at the faucets and a pressure and temperature relief valve that may discharge. The control shows the code to warn that heating is out of control.

Common causes of F19

  • A heating element staying energized
  • Control board output not switching off
  • Tank temperature sensor misreading
  • Limit device not opening
✓ One safe check you can try

1. Switch the water heater off at its breaker. 2. Keep hot water use to a minimum and keep children away from taps. 3. If water is dripping from the relief valve discharge pipe, do not cap it. 4. Call us. Do not open any covers.

! Why to stop there
  • We need to learn whether a stuck output or a wrong sensor reading caused the overheating.
  • The tank temperature and the relief valve are checked together.
  • We quote the price in writing before any repair.
Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.
→Same appliance

Other Water Heater codes

Dirty Filter (F14)GE GeoSpring First-Generation GEH50DEED Code Dirty Filter (F14): Clean the filter F15GE GeoSpring First-Generation GEH50DEED Code F15: DataFlash memory error Attention! Tank not filled!GE GeoSpring GEH50DNSRSA Message "Attention! Tank not filled!": Fill before power Heat Pump FailureGE GeoSpring GEH50DXSRGA Message "Heat Pump Failure": Heat pump section problem Water Heater FailureGE GeoSpring GEH50DNSRSA Message "Water Heater Failure": Electric side problem System FailureGE GeoSpring GEH50DXSRGA Message "System Failure": Immediate attention Wiring to unit incorrectGE GeoSpring GEH50DNSRSA Message "Wiring to unit incorrect. Must be 240V not 120V": Supply check EPGE GeoSpring GEH50DXSRGA Code EP: Energy price signal
F19F19 questions
Is F19 an emergency?

Treat it seriously. Turn off the breaker for the water heater and call us. Overheated water can scald, and it can also put stress on the relief valve and the tank.

Why is my relief pipe dripping?

The relief valve opens when pressure or temperature gets too high. With a runaway heat source that can happen, so we inspect the whole system and not just the valve itself.

Can I turn it back on after a while?

We would not. Leave the breaker off until we find out why the heat source ran past its limit, because turning it back on could repeat the same overheating.

Book a visit

Still seeing F19?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 547-5545