If the water heater thermostat fails to turn off at its temperature setting and continues to heat the water indefinitely the tpr valve will open and let the overheated water out.
Water heater pan drain line code.
Any level above the ground floor or in attics or ceiling areas or within the habitable space.
But if the termination of the piping is not readily visible such as if it is located under the house the water will continue to drain until the homeowner gets an.
66 27 1 certain automatic hot water tanks or heaters to have approved relief valves.
Installation or sale of unapproved relief valves forbidden.
Imc 307 2 3 states that all hvac equipment that produces condensate must have either a secondary drain line or a condensate overflow switch a secondary drain pan with a secondary drain line or condensate switch or some combination of these installations should be used to prevent overflow if the primary drain line blocks.
This causes the tanks to leak and in some cases.
Installing a tank water heater might seem easy but homeowners who refinish their basements often create a number of code violations with respect to the water heater.
This question is relative to the california plumbing code cpc specifically the sacramento area.
Earthquake straps areas prone to earthquakes and some that are not will require the water heater to be strapped in place to prevent damage during a quake.
Where a storage tank type water heater or a hot water storage tank is installed in a location where water leakage from the tank will cause damage the tank shall be installed in a pan constructed of one of the following.
No individual firm corporation or business shall install sell or offer for sale any automatic hot water tank or heater of 120 gallon 454 l capacity or less except for a tankless water heater which does.
24 gage or other pans approved for such use.
I m doing some remodeling of a bathroom where the water heater pan drain line comes across the ceiling a bit lower than i can allow because i m replacing a drop ceiling with hard and i d like to get it up higher than where the pipe exits the exterior wall.
This reduces the risk of water damage from leaks and aids during flushing.
The following is a reprint of n c g s.
Where a storage tank type water heater or a hot water storage tank is installed in a location where water leakage from the tank will cause damage the tank shall be installed in a galvanized steel pan having a material thickness of not less than 0 0236 inch 0 6010 mm no.
Code expert glenn mathewson describes 10 common water heater code issues including confusion about drip pans and drains unsupported expansion tanks and plastic vents lack of combustion air and more.
Drain pan while always a good idea most areas require a drain pan with a drain line under it.
Galvanized steel or aluminum of not less than 0 0236 inch 0 6010 mm in thickness.
