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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
For larger stem sizes
ensuring performance in varied HVAC environments
How do you adjust the setpoint on the RFS-4100-021
is a 5-ton H-series Thermostatic Expansion Valve (TXV) engineered for R-22 and R-407C systems
Resideo ARD9TZ Damper Freon For larger stem sizesThe Resideo ARD9TZ is a 9 inch automatic round damper engineered specifically for high efficiency forced air zoning systems that require reliable airflow control. Operating on 24Vac, this two position damper uses a power closed spring return open actuator, ensuring a fail safe open position during power loss to maintain system circulation. This model is the professional grade direct replacement for ARD9TZ U, RDS 9, and CRDS09 legacy dampers.