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Check Valve - 1-1/4 in. or 1-1/2 in

H2OPRO Check Valve - 1-1/4 in. or 1-1/2 in

4.3
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Does this check valve require a weep hole between valve and pump discharge?


If a check valve is incorporated in the installation, a “weep” hole (approx. 3/16") must be drilled at a downward angle in the discharge pipe below the check valve and pit cover to purge the unit of trapped air. Trapped air is caused by agitation and/or a dry basin. Vent hole should be checked periodically for clogging. If you choose not to drill a vent hole, be sure the pump case and impeller is covered with liquid before connecting the pipe to the check valve and no inlet carries air to the pump intake. NOTE: THE HOLE MUST ALSO BE BELOW THE BASIN COVER AND CLEANED PERIODICALLY. Water stream will be visible from this hole during pump run periods. If you have any questions, please call our technical support line @ 1-800-742-5044.

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