Johnson Controls A28AJ-4C Penn Series A28 Two-Stage Temperature Control Wide Range-Adjustable Interstage Differential Two-SPDT Switch Action -7 to 27C Range 3/16 x 22 Bulb 6' Capillary voomi_id_41431 Parallel Blade Damper is a

Parallel Blade Damper is a power close and spring open type of damper

Controls up to three horsepower single-phase motors

ENERGY STAR® Certified

Stainless steel internal components

Johnson Controls A28AJ-4C Penn Series A28 Two-Stage Temperature Control Wide Range-Adjustable Interstage Differential Two-SPDT Switch Action -7 to 27C Range 3/16 x 22 Bulb 6' Capillary voomi_id_41431 Parallel Blade Damper is aProduct Description The Johnson Controls A28AJ 4C Penn Series A28 Two Stage Temperature Control is designed with wide range adjustable interstage differential and two SPDT switch action. It operates within a 7 to 27 degrees Celsius range and includes a 3 16 x 22 bulb with a 6 foot capillary. Wide range adjustable interstage differential Two SPDT switch action Operates from 7 to 27 degrees Celsius Product Highlights Ideal for HVAC systems, this