Hayward Thermistor for FD Heaters | FDXLTER1930 Mortar & Sealants Simple snap together assembly with

Simple snap together assembly with minimal parts

Chitosan clarifier

chlorine shock) to control bacteria

30-Inch centers - distance from center of one anchor to the other

Hayward Thermistor for FD Heaters | FDXLTER1930 Mortar & Sealants Simple snap together assembly withThe 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