The 47K0901 is simply a longer-form part number used in some HVAC replacement parts databases

HVAC Safety Compliance: Meets manufacturer specifications for high-limit primary protection in gas-fired furnaces

and Daikin HVAC equipment

The precision-machined dryseal pipe threads minimize potential leak paths and provide sufficient clearance for easy tightening of flare nuts in tight spaces

This internal metallized polypropylene film component provides the necessary phase shift for efficient motor startup and continuous operation in residential and commercial HVAC/R systems

Honeywell 14004558-001 Connector Branch The 47K0901 is simply aThe Honeywell 14004558 001 Connector Branch is a critical pneumatic thermostat replacement part designed for high precision climate control systems. This 6 inch main branch tube spring assembly ensures seamless communication between the thermostat and the terminal equipment by maintaining consistent air pressure signals. Built for durability in commercial environments, the 14004558 001 is engineered specifically for the Honeywell TP970 series,