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The AquaCal STK0135 Heat Pump Bypass Manifold is manufactured to AquaCal specifications to ensure correct fit
letting you customize the ambiance with ease
Easy-to-Use Digital Interface
ensuring durability and year-round performance
No more wobbly setups—just uninterrupted excitement
AquaPro Cover Pump, 1800 GPH | APC4000A Salt System Parts The AquaCal STK0135 Heat PumpAquaPro APC4000A is an 1800 GPH cover pump replacement unit. It pumps water off pool covers during draining. The flow rate is listed as 1800 GPH in the title. When the pump fails, water can remain on the cover. Replace with APC4000A and confirm the model and GPH match. Key Features AquaPro APC4000A cover pump replacement model identification APC4000A flow rate listed as 1800 GPH for matching APC4000A identified as a cover pump in the title Use AquaPro