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Any Test Method for Trap Primers?


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I've only seen one in a residence, in the laundry room. I just looked for an air gap (present)and observed its operation, with the grate lifted you could see and hear the the primer filling the trap as the washer filled. I don't normaly cycle washers, and would probably not do so again in a similiar situtation - instead I would just report that I had observed what appearered to be a trap primer but did not establish it was operational.

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As Terence stated, there are many styles on the market. Some just drip, and others work on a float switch. One thing I would look for and report is a shut-off valve of some kind. And if I actually found it, I would recommend to the client to test it, and possibly labeling it.

This link is a typical trap primer.


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