It maintains the same footprint and terminal spacing while providing the SPDT (Single Pole Double Throw) switching logic required for dual-load or fan-speed changeover circuits

maintaining the necessary water seal between the boiler and the steam trap siphon loop

RTV may not provide a uniform seal on the collector box flange

which can lead to improper gas delivery and potential system lockout

9% pure wrot copper (UNS C12200) for excellent corrosion resistance

Carrier LA01YA004 Fan Blade It maintains the same footprintThe Carrier LA01YA004 Inducer Cooling Fan Blade is a critical OEM component designed for high performance thermal management within Carrier heating and cooling systems. Engineered specifically to integrate with the inducer motor assembly, this fan blade facilitates mandatory airflow to prevent motor overheating during the combustion cycle. As a genuine Carrier replacement part, the LA01YA004 ensures precise balance and counter clockwise (CCW)