Carrier 51HK660011 T-Stat 30067439-890 the 0887120 is the current

the 0887120 is the current direct replacement for older 881466 and RK909-CK1 part numbers used in standard 3/4" and 1" 909 series assemblies

preventing the dry spots or uneven saturation that can lead to reduced output and mineral buildup

70" WC and a multimeter to check for continuity across the 1/4" terminals when the set point is reached

Precision Control: Features 15-minute intervals for flexible 24-hour scheduling

verifying the mounting footprint and terminal orientation is recommended for a secure fit

Carrier 51HK660011 T-Stat 30067439-890 the 0887120 is the currentThe Carrier 51HK660011 is a high performance SPDT (Single Pole Double Throw) temperature control thermostat designed for precision sensing in demanding HVACR applications. This mechanical capillary thermostat features a 30 inch copper capillary tube, providing extensive reach for remote bulb sensing in air handling units, refrigeration systems, and rooftop packages. Operating across a 61F to 91F temperature range, this control is engineered for