Pool Valve with 1.5 Inch Threaded Collar and 1.25 Inch Hose Connection A compact, durable rotary valve designed to control water flow in filter pumps, spas, aquariums, and gym water systems. Built from PVC for corrosion resistance and longlasting service, this valve provides reliable manual flow adjustment and straightforward installation. Key benefits Precise flow control: Rotary knob allows gradual adjustment from open to closed to match system needs without shutting the pump down. Easy installation: Designed to fit a 1.5 inch threaded collar and accept a standard 1.25 inch hose connection with hose clamp, reducing downtime during maintenance. Durable construction: PVC body resists corrosion and common pool and spa chemicals, offering stable performance in wet environments. Spacesaving design: Compact profile works in tight plumbing runs and retrofit applications where larger valves will not fit. Simple maintenance: Removable knob and straightforward internal design make cleaning and replacement fast and low effort. Important attributes Function: Manual rotary valve for regulating or isolating water flow in circulation and filtration systems. Compatibility: Fits systems using a 1.5 inch threaded collar and 1.25 inch hose lines. Suitable for filter pumps, spa plumbing, aquarium circulation setups, and gym pool or water feature lines. Size: 1.5 inch threaded collar; 1.25 inch hose connection. Material: Rigid PVC body and components selected for wetuse durability. Performance: Smooth rotary action for controlled throttling and reliable sealing when installed with appropriate fittings and clamps. Practical use scenarios Filter pump bypass: Install the valve on the pump line to balance flow between filter and heater or to create a controlled bypass during maintenance. Spa and hot tub plumbing: Use the valve to fine tune circulation through jets or to isolate sections of the plumbing for service without disconnecting hoses. Aquarium and display systems: Adjust flow rates to protect sensitive livestock or to route water between tanks and external filtration devices. Installation and maintenance notes Confirm your system uses a 1.5 inch threaded collar and 1.25 inch hose before . Use standard hose clamps or compatible fittings to secure the hose connection. Periodic inspection and cleaning of the knob and valve interior will help maintain smooth operation. A straightforward, nononsense solution for managing water flow in a range of wetenvironment systems where reliable manual control and compact size are required.