Hayward Universal H-Series 200K BTU Low NOx Natural Gas HeaterThe Hayward Universal H Series 200,000 BTU Low NOx Natural Gas Heater (W3H200FDN) delivers powerful and efficient heating for pools of all sizes and is compatible with any sanitizing system, including saltwater. Its easy to read L. E. D. control panel provides accurate temperature readings and diagnostics, ensuring hassle free operation. The heater's advanced hydraulic design improves energy efficiency by reducing pump run time, while the exclusive

Total Hardness & Bromine to the color chart on the reverse of the container

This weir door measures 7-3/4" wide by 5-1/2" high and is made of high strength durable plastic

Backed by a 3-year limited manufacturer's warranty

The Filter Fiber Stuff is super concentrated

5" Female threads

The heater's advanced hydraulic design improves energy efficiency by reducing pump run time

No backwashing is required

This heater boasts industry-leading hydraulic performance

it runs automatically whenever your pump is operating

Swimline's overlap liners are made to last

The Hayward 31" clear hose fits on Hayward Pro Series Sand Filters S180T and S210T

The Sta-Rite 27002-0100S Filter Cartridge is a replacement filter for the Sta-Rite PLM 100 100 Sq Ft Modular Media cartridge Filter