The replacement unit accepts 4 hot water lines and 4 cold water lines for a total of 8 ports. If you have enough space, two units can be plumbed together using item 377898 to provide 16 ports. Or, if you don't have enough space for two manifolds, you can join lines with a T-fitting to condense your requirements to 8 ports.
The manifold measures 8.3" x 11.77", but be sure to allow enough clearance to join the lines to the input ports.
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