M STYLE CLOCK SPRING TAPE BALANCE

Type L Window weight replacement balance replaces weights, and pulleys in historic wood windows. It also replaces previously installed clockspring tape balances.

Additional Information

DIMENSIONS & MOUNTING: Two types of mounting options are available for the M Style clock spring balance.  It can mount OVERHEAD style with a bracket that attaches to the top of the sash, or can mount with the SIDE style where the tape balance mounts in the side of the sash.

Standard Balance Dimensions

A = 8-3/4” | B = 1.75” | C = 5-13/16” | E = 5-7/16” | F = 1.5” | G =7-1/4”

Tape Length 60”

WEIGHTS: Type M is a large size clock tape balance and handles weights from 36 lbs to 100 lbs. 

NOTE: 2 balances are required for the noted sash weight. Balance pricing is per individual balance. 

Part numbers by sash weight and mount style:

SIDE MOUNT: OVERHEAD MOUNT:

SIDE MOUNTWeightOVERHEAD MOUNTWeight
14-M36-38 lbs114-M36-38 lbs
15-M39-41 lbs115-M39-41 lbs
16-M42-44 lbs116-M42-44 lbs
17-M45-48 lbs117-M45-48 lbs
19-M49-52 lbs119-M49-52 lbs
21-M53-56 lbs121-M53-56 lbs
23-M57-60 lbs123-M57-60 lbs
25-M61-64 lbs125-M61-64 lbs
27-M65-68 lbs127-M65-68 lbs
29-M69-72 lbs129-M69-72 lbs
31-M73-76 lbs131-M73-76 lbs
33-M77-80 lbs133-M77-80 lbs
35-M81-84 lbs135-M81-84 lbs
37-M85-88 lbs137-M85-88 lbs
39-M89-92 lbs139-M89-92 lbs
41-M93-96 lbs141-M93-96 lbs
43-M97-100 lbs143-M97-100 lbs

INFORMATION Needed for Order (Clockspring Window Balances)

  • Weight of each window sash
  • Height of each window sash
  • 2 balances required per sash (4 balances per window).