What is the GPM for my jet?
You need to know what kind of jet you have to determine the flow rate. This is the GPM for the following jets: • Massage – 10 GPM • Adjustable Deluxe – 10 GPM • Pulsator Deluxe – 10 GPM • Roto Deluxe – 10 GPM • Handheld Jet – 10 GPM • Whirlpool – 38 GPM • Monster • 5/16 orifice – 10 GPM • 3/8 orifice – 13 GPM • 7/16 orifice – 17 GPM • ½ orifice – 22 GPM • Swim Jet • 5/8 orifice – 25-30 GPM • 1″ 5/8 orifice – 110 GPM • Old Faithful • .925 orifice – 80-100 GPM • 1.