also identified as the HMI-1TT2 moisture indicator

As a Single Pole Single Throw (SPST) component

As a direct replacement for F77-5413

ensuring balanced airflow and preventing the pressure switch trips often associated with worn or warped blades

The Johnson Controls BKT287-2R is a professional-grade 35mm DIN rail mounting solution engineered for the high-density requirements of modern HVACR control systems

Watts 0556003 Valve also identified as the HMI-1TT2Install the Watts 0556003 (Series LF100XL) for reliable protection on water heaters and hot water storage tanks. This lead free 3 4" T&P relief valve is engineered to automatically discharge water if system temperatures reach 210F or if internal pressure exceeds 150 PSI. Designed as a direct updated replacement for legacy models 0066133 and LFL100XL 150 3 4, this unit features a lead free copper silicon alloy body and a 3 inch extension thermostat.