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Refractory Insulation
or heater shutdown
Optimum positive-seal
giving you a refreshing energy boost
The FNS Plus series is available in multiple square footage ratings — lid assemblies are not interchangeable across sizes
Hayward Thermostat with Knob for Hayward Pool Heaters | HAXTST1930 UHDSR70 Refractory InsulationThe Hayward Thermostat with Knob (HAXTST1930) is the OEM replacement thermostat assembly for Hayward pool heaters, providing direct temperature control at the unit. 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. What It Does The thermostat assembly regulates
US$ 26.00
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