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Norton New Style Replacement Door Closer Springs

This is the replacement door closer spring for the Norton 78, and Yale 1900 Door Closers. Spring measures 2-11/16" diameter by 2" tall. This spring is identifiable by the number stamped on the band that holds the spring together. The band will be stamped either B/D 2/4, or E/F 5/6.

Norton 78 B/D and Yale 1902-4 use spring 24BD
Norton 78 E/F and Yale 1904-6 use spring 56EF

Norton Part # 24BD
Norton Part # 24EF

The Norton Door Closer 7700 Series Power Track combine the functions of a single point electromechanical door holder with the proven reliability of a 7700 Series Door Closer. The track assembly contains an arm slide and solenoid operated hold open mechanism and is available with or without an integral smoke detector. The closer is mounted on the door. The Power Track and hook-up box are mounted to the frame face for pull side installations or the frame soffit for push side installations.
Two versions, the Master Unit (PTDO) and the Support Unit (PTO). The PTDO has an integral smoke detector. The PTO can be plugged into the PTDO or into your existing fire alarm system. Both units can be mount pull side of the closed door, or the push side, please specify when ordering. Specify voltage (24 volt or 120 volt) and color (aluminum or dark brown). Dark Brown is a 3 week lead time, Aluminum is in stock.

The PTDO Master Unit is no longer available, they were discontinued in the 2024.

The Norton Traditional Door Closer 78 B/D is a door closer used in historic buildings.  This is a replica of the original cast iron door closer used from the 1920’s to 1960’s.  The new version is made of a cast aluminum alloy material, and should only be used when you are trying to keep historic designations.  The hole spacing on this closer is 1-3/8" x 4-1/4”.

The Norton PPTO PowerTrack for P7705 is a replacement piece for the P7705PTO Door Closer.  The Track includes the Slider, Soleniod and new mounting screws.  The PPTO Track is for the Push Side of the door, also known as the Stop Side because the track mounts on the jamb stop. Not available in 120 Volt.

Norton Part # PPTO24

The Norton / Yale Door Closer 7701-3 Hold Open Arm is the standard hold open arm shipped with Norton and Yale Door Closers.   It is known as a Friction Hold Open, because as the arm rotates it tightens down two plates together.   Adjusting the large hex bolt on the Hold Open Assembly determines where the arm will hold open.  This part has had a couple of numbers over the years 7701-3, 1620-3 for Norton and 400-3 for Yale.

The Norton Apollo Door Closer 7500 has been around for quite a long time, and was designed to replace the older 7700, which are still made. The beauty of the 7500 is that is can be mounted left or right, push, pull or top jamb, were as the 7700 you had to specify all those attributes, which made stocking them a head ache. This is a Grade 1 closer, and is extremely durable. If you are looking for a 7500BF, the barrier free version, the new 7500 is barrier free, and will do the trick. This closer has a 2-3/8" x 6-3/4" hole spacing.