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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
the 81L76 utilizes a C2-3 control board architecture to ensure stable communication between the thermostat and system hardware
If installed in a restricted area
normally closed circuit that breaks cleanly upon activation
By including a dedicated A82 adjustment wrench
EWC Controls PRD Regulating Damper Els PW 17895 the 81L76 utilizes a C2-3EWC Controls PRD 12" Pressure Regulating Damper Made in USA. Model PRD RD pressure regulating damper is a single blade, round variation of a barometric relief damper. This is the simplest, most economical way of bypassing excess static pressure in multi zone applications. Resistance is controlled by offsetting the arm and adjusting the weights. The arm can be inserted into either side of the damper for added versatility.