The Tank › propane water heating not heating as well recently › Reply To: propane water heating not heating as well recently
being this water heater is 11 years old there is a very good chance it has lime build up in bottom of tank. You can try flushing out tank by draining out water at bottom of heater thru the drain valve. sometimes lime will be built up above drain valve and will not drain, when this happens its time for new water heater. also it may drain very slowly due to lime clogging up drain valve. sometimes after you open drain valve at bottom of tank it does not want to shut off all of the way due to the lime deposits in valve this will cause valve to drip water if this happens a soda bottle cap will screw on to drain threads and stop dripping.