Hayward Perflex EC50C Flex Tube Nest (ECX1037) valveparts The Tecmark 4015P pressure switch

The Tecmark 4015P pressure switch is designed for compatible applications that require an SPDT switch rated at 25 amps with a 1/8 inch threaded plastic body

3-piece design supports improved serviceability

The Raypak cast iron return header is designed for compatible 155B and 155C heater applications where the supported return-side header needs replacement

or no longer clamping evenly around the body

Hayward Perflex EC50C Flex Tube Nest (ECX1037) valveparts The Tecmark 4015P pressure switchThe Hayward Perflex flex tube nest is designed for compatible EC50C DE filter applications where the internal filter tube assembly needs replacement. A flex tube nest is useful because it supports DE filtration by providing the internal structure that traps fine particles and helps maintain cleaner pool water. This replacement is especially useful when the original tube nest is torn, damaged, clogged beyond cleaning, or no longer filtering correctly.