Plumbing Troubleshooting
Toilet Constantly Running?
A toilet that runs constantly (or cycles on randomly — “phantom flushing”) wastes 200+ gallons per day and spikes your water bill. Fix is usually quick: flapper or fill valve replacement.
Quick Answer
Toilet constantly running = 3 causes: (1) worn flapper (most common, DIY $10 part), (2) failed fill valve (water never shuts off), or (3) float set too high (water spills into overflow tube). Pro fix: $279 flat — includes replacing flapper + fill valve + fluidmaster assembly. Saves you the $30/mo in extra water bills. Call (813) 343-2212.
3 Causes of Running Toilet
Worn Flapper (Most Common)
Symptom: Toilet cycles on for 15 seconds every few minutes (phantom flushing).
Flapper replacement $10 DIY OR professional $279 (includes fill valve + full kit).
Failed Fill Valve
Symptom: Water never shuts off after flush, constant trickle sound.
Fill valve replacement. DIY $15 or pro $279.
Float Set Too High
Symptom: Water audibly spilling into overflow tube.
Adjust float down. Free DIY fix — takes 2 minutes.
What to Do Right Now
- Listen — phantom flush every few min = flapper. Constant trickle = fill valve.
- Lift tank lid (set aside carefully).
- Check water level — should be 1 inch below overflow tube.
- Try DIY repair with $10-$20 parts from Home Depot.
- If stuck, call us — $279 flat includes everything.
DIY parts: $10-$20. Professional: $279 flat (includes flapper + fill valve + supply line if needed).
FAQ
How much water does a running toilet waste?
200-400 gallons per day. On Tampa water rates, $10-$20 per month extra.
Is it worth paying $279 if parts are $10?
For DIY-comfortable: do it yourself. For those who’ve never opened a toilet tank, or want warranty + speed, $279 pro includes everything + 1-year warranty.
Can phantom flushing ruin my toilet?
No permanent damage. But if flapper fails completely, constant water flow can cause overflow in rare cases.
Kohler vs American Standard flappers?
Universal flappers work for most. Brand-specific flappers (usually Fluidmaster or Korky) fit best. Match your brand for best results.
Why does my toilet only run at night?
Water pressure higher at night (less demand). Marginally bad flapper seals during day but fails under night pressure.
Need Help With a running toilet?
Same-day Tampa Bay service. $279 minimum labor includes diagnostic. (813) 343-2212.