Hayward Thermistor for FD Heaters | FDXLTER1930 C8474 Smith B668 Letro Replacement Booster

Smith B668 Letro Replacement Booster Pump Motor is a powerfully designed direct replacement for your Pentair Letro brand pool cleaner pump

18″ Width

Fits Hayward Jet-Air III series Hydrotherapy spa fittings

8410 Dual Test Kit

Hayward Thermistor for FD Heaters | FDXLTER1930 C8474 Smith B668 Letro Replacement BoosterThe Hayward Thermistor (FDXLTER1930) is the OEM replacement temperature sensing thermistor for the Universal H Series FD pool and spa heater line. 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. Mounted in the manifold adapter inlet, this thermistor monitors