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It'll be legen-waitforit
Join Date: Jan 2002
Location: Calgary, Canada
Posts: 7,052
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If the shower is in the basement or main floor with no basement, it's the backflow preventor. Should be a cover on the slab to get access to it.
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Bob James
06 Cayman S - Money Penny
18 Macan GTS
Gone: 79 911SC, 83 944, 05 Cayenne Turbo, 10 Panamera Turbo
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