Response to Hi, I purchased a house with an existing jacuzzi filter. It says FM on the front (not MFM). The back says model is 20FM (no mention of MFM), spec B. The housing for the gauge has cracked so I believe I need a new multiport valve. What options will work for this filter? A friend has a Jacuzzi laser sand filter who doesn't need it - would their valve be compatible? I'm unsure of age. Do you know with this model? Do you think I'd be better getting a brand new one entirely? Thanks!

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