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S390-37 37" Series 390 Channel Balance

I need 4 arms for this height, 37", I don't want to order the wrong ones and waste your or my time, so I used the part identifier. Thanks, John

I am hoping you can tell me which P.G.T. window balances to order . See attached photo

I am sending you photos of the channel balance I need. I will need a quantity of 4 with all plastic parts connected plus an additional 4 channel balance top winged and 1 balance clip attachment.

Can you please help me identify these balances so I can order more

Please, send a quote and availability for: Series 390 Block & tackle Balances: Qty Stamp 100-# 3460 100-# 3570 100-# 3660 100-# 40DS41

the length from end to end is actually 36.5 " . not including the plastic caps / should I have ordered the 37" channel ? the imprint on the channel stamped 3640 , I thought maybe that was an indicator of the correct product to order / match up.

I have two windows with balancers that need to be replaced. Both balancers are 33 inches long and I included serial numbers in the photos. The balancers I removed look similar other than the spring is larger in the balancer from the larger window.

What is the appropriate replacement part for 36402 balance 37" And 2020(v) balance at 21"

Hi, Was wondering if you could identify this piece. The only marking I can find says "36-4", image included. Thanks!

I have 4 separate windows that use these. The numbers on the backs are 3640, 3620, 2440 and they are missing from one large picture window shown above completely. The weight of the window sash is 24lbs. I'm not sure what series they are and several series you have appear very similar. Please advise ... (cont.)

metal channel is 37" in length. All plastic ends found crack and deteriorated. Imprints indicate 3640CF and 3640AE with the letters B.S.I. next to the numbers.

From a condo building steel double hung, heavy window 36DS. Rn42 on unit. Managed to pop it out from bottom not a tilt in window My first time messing with this, but am handy, but also don't want to bust anything else. Steel channel by itself 37" long, a little over 38 with plastic ends include ... (cont.)

Hi, just want to verify that the S350-37 is the correct part number to order. The plastic ends don't seem to match up though with the old one. Thank you! Mark

We need to replace the channel balances on 9 alum double hung windows, operable tops and bottoms. Windows require 37" or 41", series 60 spring loaded balances. Windows are appx 30 lbs each top or bottom. Is there a jamb liner kit we can purchase to convert either both upper an lower, or only lower t ... (cont.)

I have two different types of balances that I need to replace and I am having a tough time identifying them. What I do know: Balance A Width: 9/16" Depth: 5/8" Channel Length: 37" Stamped on end: 36 B B.S.I. Balance B Width: 9/16" Depth: 5/8" Channel Length: 36" Stamped on en