Durable Construction: Built with a NEMA 48 frame and insulated to Class B standards for superior thermal protection and longevity

this unit is designed strictly for vertical wall mounting with the airflow directed downward

This model is typically the controller head and sensing element

The Conbraco Industries 10-322-P30

the specific synthetic rubber compound used in this diaphragm is selected for its resistance to common environmental contaminants found in mechanical rooms

Resideo ZD18X20TZ Damper 318973-401 Durable Construction: Built with aThe Resideo ZD18X20TZ is a heavy duty rectangular parallel blade zone damper designed for precision airflow control in residential and light commercial forced air systems. Built with a robust extruded aluminum frame and blades, this 18 inch by 20 inch unit features riveted and screwed corners for maximum structural integrity. The parallel blade design, combined with high quality extruded blade seals, ensures low leakage performance and quieter