Pressure Change Assembly with 7/64" Orifice for Series 211, 310, 811, TVS-811, 881, and 981 Traps
Existing reviews
Repair Note
The appliance suddenly stopped working properly on our appliance ended up being caused by a failing part. Needed basic hand tools only and the replacement solved it.
Peter | 1/9/2026 8:36 AM
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Compatibility Feedback
Ended up ordering this because the appliance suddenly stopped working properly. Installation wasnt too difficult overall. Appliance has been running normally since then.
Guest | 1/19/2026 8:36 AM
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