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Does this flange include the spring or stem
it serves as a critical component for powering 24V thermostats
Always verify your unit's serial number and wiring diagram to confirm the lead count and connector type match the original installation
it includes the necessary female plug connector to ensure seamless integration with the existing wiring harness
preventing nuisance trips and ensuring reliable proof-of-closure for the control board
Carrier HH22QC074 Thermostat Els PW 17895 Does this flange include theThe Carrier HH22QC074 Thermostat is a high precision OEM control component engineered for light commercial and residential HVAC applications. As the direct replacement for HH22UC034, this unit ensures seamless integration with existing system wiring and mounting configurations. Designed primarily as a PTAC thermostat, it provides reliable 24VAC regulation for heating and cooling stages, maintaining tight temperature tolerances to optimize mechanical