Hayward HEAT EXCHANGER ASSY - H300FD | FDXLHXA1300 SuperMax Pump Parts and Accessories This air pressure switch is

This air pressure switch is designed to use with Zodiac Jandy LXi Low NOx pool and spa heater models 250

this replacement element ensures your pool water remains clean

Allows one (1) auxiliary circuit to activate two (2) relays

the two washers spin to reduce friction and prevent the plastic from wearing down

Hayward HEAT EXCHANGER ASSY - H300FD | FDXLHXA1300 SuperMax Pump Parts and Accessories This air pressure switch isHayward HEAT EXCHANGER ASSY H300FD FDXLHXA1300 The Hayward HEAT EXCHANGER ASSY H300FD (FDXLHXA1300) is a premium replacement component for the Hayward H300FD Heater. Engineered for efficiency and reliability, this heat exchanger assembly is built to optimize your heater's performance, providing consistent and effective pool heating. Key Features: Designed for Hayward H300FD Heaters: Ensures compatibility and seamless integration with the H300FD model,