Orifice Burner Natural Gas #50 filter-internal-diameter_2 1/8 inches The Chemtrol 255 is a

The Chemtrol 255 is a microprocessor-based digital controller designed to maintain both Free Chlorine (PPM) and water pH in commercial pools like hotels

Only five SF105 bolts are required per Double Rail Support but one extra is included

This is a Water Technology Xtreme Multi Layer Filter Bag for cleaning down to the smallest micron

This is a Felt Outlet Patch with a size of 2

This is a replacement Hayward Top Collector Manifold with Flex Air Relief Assembly for MicroClear and Pro-Grid Vertical Grid DE Pool Filters

Orifice Burner Natural Gas #50 filter-internal-diameter_2 1/8 inches The Chemtrol 255 is aThis is a replacement Raypak Natural Gas Burner Orifice; Size: #50. This item is designed to fit Raypak pool heater models such as the 185B (12); 265B (17); 335B (21); and 405B (26) Pool Heater.