Drip pan over flow pans, hints from a home inspector
Drip pan over flow pans. Drip or catch pans placed under the water heater are recommended by manufacturers and are required by many municipalities, but is rarely enforced. The inspector will not comment on the lack of a catch pan. A catch pan placed under the water heater with a drain line connected and piped to the building exterior would obviously be a good precautionary action against water heater leaks. Contact the inspector for additional information regarding the stand
and/or catch pan if you desire. The temperature pressure relief valve (also called
tp valve, pt valve, t and p valve, srv, etc.) Is an important component added to the water heater. Should something go wrong that allowed the water heater to continue heating the water past the point of safety (from excessive pressure or temperature) the properly operating and installed
tp valve would release built-up pressure and hot water to a safe discharge point. The
pressure temperature relief valve output should always be directed outside the building and downwards, about 6 to 12 inches off the surface of the ground or flatwork concrete. If the
temperature pressure valve drips, it should be replaced. Improperly installed tp valves should be removed and replaced. Be dependable. Setting the water heater thermostat to a reasonable temperature (approximately 120Ý f) is advised.
Air-fuel ratio adjustments needed
Insufficient water heater combustion air insufficient combustion
Water heater blanket loose water heater should be protected from Pressure relief valve discharge not Pressure relief discharge line should be sloped downward
Water heater pressure-temperature relief valve leaks
Reversed pipes on water heater
The above information was provided by TWI Systems Copyright 1995-2007 1-800-553-5660. TWI is a fantastic company to deal with!
