Sargent - 281 - Powerglide Cast Iron Door Closer - Back Check Function - Heavy Duty Parallel Arm w/ Positive Stop - Adjustable Size 1-6 - Plastic Cover - Black Suede - Fire Rated - Grade 1 8MP It also supports E/F/G encoding

It also supports E/F/G encoding and 8HP gearbox functions

Answers to the questions are found at the back of the book

Current Supported Vehicle List From Keyline

and filled with fire resistant caulking

Sargent - 281 - Powerglide Cast Iron Door Closer - Back Check Function - Heavy Duty Parallel Arm w/ Positive Stop - Adjustable Size 1-6 - Plastic Cover - Black Suede - Fire Rated - Grade 1 8MP It also supports E/F/G encodingDesigned to meet the needs of facilities maintaining cast iron specifications, the Sargent 281 Series Powerglide Cast Iron Door Closer features a heavy duty one piece cast iron body for superior strength and wear resistance. With a full complement of arm types and front facing valves, the 281 series can be easily installed and maintainedfor interior and exterior applications. Features Exceeds 25 million cycles Non handed Black Suede Powder Coat finish