Caldwell Series 200 Aluma-Tilt Spiral Window Balance - 35" White When taking measurements, measure only the metal tube.. AAMA Class 2 verified component with a minimum of 40% lift assistance Weight capacities are listed per pair of balances in pounds For optimal performance, we recommend replacing both balances at the same time.These measurements are crucial to the performance of the balance.
The 300 Series is a standard block and tackle window balance for sideload / non-tilt window applications. Includes the balance and pre-installed top and bottom guides only..
If your metal channel does not match exactly, please contact us before you place your order. 5/8" Channel Depth. To measure the balance, measure the length of the metal channel only. Includes the balance and pre-installed top and bottom guides only.