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The LAVELLE INDUSTRIES INC 427BP is a replacement valve seal engineered for Mansfield 210 and 211 flush valves in commercial and residential toilet flush systems. Constructed from Chlorazone rubber compound, this red-colored seal resists degradation from harsh water conditions and aggressive cleaning chemicals. The material is formulated to hold its original shape under stress, meaning it will not warp or swell during service. Plumbers and maintenance technicians reach for this seal as a direct OEM-style replacement when a flush valve begins to leak or fail to seat properly.
This seal is appropriate for use in restroom facilities wherever Mansfield 210 or 211 flush valves are installed, including residential bathrooms, multi-unit housing, and light commercial applications. The Chlorazone construction makes it a reliable choice in environments where water chemistry varies or where chemical treatments are used regularly in the plumbing system. Sold in blister card packaging, the 427BP is a service-call staple for plumbers who routinely service Mansfield-equipped fixtures.
Designed as a direct replacement seal for Mansfield 210 and 211 flush valves.
Installation should be performed by a licensed plumber or qualified maintenance technician. Shut off the water supply to the toilet and flush the tank to relieve pressure before removing the existing seal. Inspect the flush valve seat for scoring or mineral buildup before seating the new seal. Work should comply with applicable local plumbing codes and IPC guidelines.
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