Are you having trouble keeping the water in your spa? Often times the check valve in the plumbing for your Pool & Spa Combo will need to be repaired or replaced when you notice your spa loosing water when the pump is off. This 2" Jandy® Check Valve is the most common and reliable check valve for standard Pool & Spa plumbing. Simply install the Jandy® Check Valve into the Bypass Line and it does the rest! Click here to find the Straight 2" Jandy® Check Valve. Features 90 Degree Design for unique Pool & Spa Plumbing situations Clear lid with red seal for easy inspection Easy to disassemble when clearing debris Corrosion resistant stainless steel swing Highly resistant to Chlorine Technical Details Minimal hydraulic loss Unique swing/spring design JDY-56-4087