Part #101ARZD Round Low Pressure Damper designed for 5 ton and under systems - 0.5" w.c. max differential pressure.

Part #101ARTD W x H Rectangular Low Pressure Damper designed for 5 ton and under systems - 0.5" w.c. max differential pressure.

Part #101AMPD Round Medium Pressure Damper designed for 5 ton and over systems - 1.75" w,c, max differential pressure.

Part #101MRTD W x H Rectangular Medium Pressure Damper designed for 5 ton to 7.5 ton systems - 1" w.c. max differential pressure.

Part #101CD W x H (shown)Rectangular Heavy Duty Damper designed for 7.5 ton and larger systems - 1.75" w.c. max differential pressure.

California Economizer zone dampers provide room by room zone control. Each zone damper is controlled by a zone thermostat. More than one damper can be controlled by one zone thermostat (slaving dampers).

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