Resideo CA100A116 Valve Cartridge 321702-401 it provides the versatility required

it provides the versatility required for fine-tuning system performance in high-efficiency furnaces and light commercial air handlers

Direct Immersion Design: Eliminates the need for a separate well (in most direct-mount scenarios)

York S1-800002 OEM construction guarantees exact fitment

What actuators is this potentiometer compatible with

Resideo CA100A116 Valve Cartridge 321702-401 it provides the versatility requiredThe Resideo CA100A116 Valve Cartridge is a field serviceable replacement component specifically engineered for legacy Honeywell V100 Series thermostatic radiator valves. For technicians servicing "old style" valve bodies in 1 2 inch and 3 4 inch sizes, this plastic TRV replacement cartridge is the essential part for restoring precise flow control and pressure regulation without requiring a full valve body replacement. It replaces the discontinued