How many spray outlets shower devices can be used in a digital vertical spa?

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The Moen 4 outlet valve (S3104) features four outlets and has vertical spa features four spray outlets and a maximum flow rate of approximately 14gpm at 45 psi. It is designed to deliver 6gpm at 45 psi on any one outlet.

The Moen 2 outlet valve (S3102) features two outlets and has a maximum flow rate of approximately 9gpm at 45 psi. It is designed to deliver 6gpm at 45 psi on any one outlet.

The total flow from all shower devices plumbed to the valve should not exceed 14gpm for the S3104 or 9gpm for the S3102. The total flow from all shower devices attached to a single outlet for either valve should not exceed 6gpm.