Universal H-Series 135,000 BTUs Aboveground Low NOx Pool Heater - Natural Gas power-source_Heat Exchanger This is a threaded coupling

This is a threaded coupling for suction or discharge of water or other fluids

Non-ribbed

A liquid acrylic bonder is not required

This is a Raypak O-Ring Gasket for their model 185-405

It is designed to be used with PCB Alternate PC11029B Compool Control System Valve Actuators and Parts

Universal H-Series 135,000 BTUs Aboveground Low NOx Pool Heater - Natural Gas power-source_Heat Exchanger This is a threaded couplingThis Hayward Universal H Series Natural Gas Pool Heater is 135,000 BTUs and installed outdoors only for aboveground pools. The 135K heaters are 120 VAC and have 2 inch x 2 1 2 inch CPVC union plumbing connections (not included). This aboveground pool heater features a totally managed commercial grade cupro nickel heat exchanger. It has Low Nox emissions which meets clean air quality standards. The cupro nickel heat exchanger is chemical corrosion