Hayward Universal H-Series Natural Gas Heater 150K BTU | W3H150FDN Brand_Blue Square couple it with a Pentair

couple it with a Pentair actuator to control flow remotely

Replaces worn or cracked air bleed tube for optimal filter performance

This part is black and can be found in the center of the quick disconnect which also sits on the end of the UWF or universal wall fitting that connects to the wall of your pool

improves chemical dispersion

Hayward Universal H-Series Natural Gas Heater 150K BTU | W3H150FDN Brand_Blue Square couple it with a PentairThe Universal H Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional. Features: Standard cupro nickel heat exchanger Excellent salt water and chemical corrosion resistance Exclusive "Totally Managed" cupro nickel heat exchanger water flow The same water velocity through all tubes for faster heating Patented header by pass design Up to 18 percent savings by reducing pump run time Common