Hayward Ignitor Kit for Universal H-Series Low NOx Pool Heaters | FDXLIGN1930 Trichloride Not only are these dive

Not only are these dive toys fun

causing subtle port-to-port bypass that looks like a dirty filter or reduced backwash flow

an algaecide

inspect all internal components for chemical wear or cracking before reassembly

Hayward Ignitor Kit for Universal H-Series Low NOx Pool Heaters | FDXLIGN1930 Trichloride Not only are these diveThe Hayward Ignitor Kit (FDXLIGN1930) is the OEM replacement ignition assembly for Hayward Universal H Series Low NOx gas pool heaters. IMPORTANT: PROFESSIONAL SERVICE REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage components without proper certification. This ignitor kit provides the spark ignition function that initiates