Built to withstand the thermal stresses of residential and light commercial wall heaters

Direct OEM compatibility: Designed as a direct drop-in replacement for Carrier HH18HA211

Key Benefits NEMA 4X Protection: The gasketed European enclosure ensures the sensing element is protected from rain

ensuring the actuator and valve body operate at peak efficiency

When replacing older boards with an RST terminal

Slant Fin 410-699-000 Aquastat 30067439-890 Built to withstand the thermalThe Slant Fin 410 699 000 Aquastat is an essential component for technicians managing high limit or operating control on hydronic boilers and heating systems. This immersion aquastat is designed to precisely regulate water temperature, featuring a Single Pole Single Throw (SPST) internal switch that breaks the circuit on a temperature rise. Rated for a high temperature range of 180 240F, it serves as a critical safety or operational limit to prevent