if you THINK you should know very seldom does a T&P discharge full slow UNLESS the temperature exceeds 210 FThe water heater should be on bricks in a safety pan to start with
then you need to just install the t+p pipe down into the catch pan and
then pipe the pan to the nearest drain if you have one......
It does not matter if the pipe is one inch or 6 inches off the floor as long as
it spills into the pan if it were to leak....
if you are on a crawl space drill a hole into the crawl space and pipe the drain pan down into the crawl
and put the t+p pipe into the drain pan only.... this way the pan will do double duty for both
a leaking water heater and a leaking t+p valve......
and you can see the water in the pan if you were
ever to have a problem
a bucket will only hold a small amount of water and then spill over in
a catastrophic event and piss all over the home causing damage.....
you need to use your brains boys --think
Yes a tand p doesn't dump in a drain pan it should be piped to out side or a acceptable location. on an existing job with no t and p drainage provided. So in case of exception I see nothing prohibiting it just keep it 2 ft off floor and put a bucket there its not the same as a pan with drain pipe. Why they have such a exception to just dump water on floor is not stated . My guess would be to not add hardship on an existing job.Tacoma is a jurisdiction that I haven't done much work in but I have done some and a bucket absolutely not acceptable there.
Tacoma has adopted the 2018 UPC with Washington State Amendments
I would think that a bucket is the same as or worse than a Pan in the eyes of an inspector. The reason that a pan is not an acceptable means of discharge is that the drain opening is not equal to the amount of water that a relief valve can discharge.
View attachment 84562
UPC has the sub floor portion in it.Looks like the Washington amendment exception allows dumping on floor if no drain piping is present I don't like it but that's the code it doesn't say subfloor or slab .
my guess is to not create hardship expense on an owner to comply .
I'm presuming any floor since it doesn't speculate. and my same thoughts on the bucket being "stored " I'd like to respect the 6 inches above top of bucket though to be in the spirit of the code.Washington state amendment to the 2018 code indicates where a water heater was installed prior to the requirements that its discharge be handled properly, then so long as it is replaced in that same location, the t&p can continue to be dumped on the floor. Presumably a concrete basement or garage floor, but that is vague.
If you happen to store your bucket at the same place as the t&p discharge well.. nothing in the code as to the storage location of a bucket.
if you THINK you should know very seldom does a T&P discharge full slow UNLESS the temperature exceeds 210 F
Most just seep from excessive pressure a "bucket" holds 5 gallons MORE then enough to allow the T&P to reset itself
yea well i been in many houses with T and p not hooked up to anything at all some in the the hallway closet . Great Ideas Mark the solenoid valve at W/H in the pan if there is a pan? dosent help if youve got a tand p legaly dumping on the floor because to dump it in a pan is illegal but in such a case inspector may allow a pan under the heater thats capped off but has a sensor in it .
Reach 4 a t and p must not discharge less than 6 inches above floor thats the minimum and 2 foot max just one of our differances in code
UPC Section 608.5 gives those numbers for outdoor discharge. I don't know what they would apply for discharge onto the floor.Yea well I been in many houses with T and p not hooked up to anything at all some in the the hallway closet . Great Ideas Mark the solenoid valve at W/H in the pan if there is a pan? Doesn't help if you've got a tand p legally dumping on the floor because to dump it in a pan is illegal but in such a case inspector may allow a pan under the heater that's capped off but has a sensor in it .
Reach 4 a t and p must not discharge less than 6 inches above floor that's the minimum and 2 foot max just one of our differences in code
This is awkward, but...
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