Watts (FM20041-B) Flow-Max O-Ring for Flow-Max Housing, Flat Gasket Buna-N Filter Housings Proper Setup for Reverse Osmosis

Proper Setup for Reverse Osmosis Systems

Single-Strip Testing Protocol

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Model EPM-BB Dimensions 4

Install the PSW switch in-line on the product water line between the booster pump and storage tank

Watts (FM20041-B) Flow-Max O-Ring for Flow-Max Housing, Flat Gasket Buna-N Filter Housings Proper Setup for Reverse OsmosisThe Watts FM20041 B is a precision molded Buna N O ring designed specifically for Flow Max housing assemblies to maintain leak free seals under pressure. This flat gasket construction ensures reliable performance in residential and light commercial water filtration applications. SPECIFICATIONS Technical Details Manufacturer Watts Model Number FM20041 B Material Buna N (Nitrile Rubber) Gasket Type Flat O Ring Compatible Housing Flow Max Series