C.R. Laurence Co., Inc.
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Catalog Number: FA3420

  • Measures 5/8" (16 mm) Depth, but Referred to as 1/2" (13 mm) in the Trade

  • 10, 20, 30, 40, and 50 Weight Range Balances in Lengths from 13" to 43" (330 mm to 1.09 m)

  • Each CRL FA Series 2/20 Weight Range Sash Balances requires one of several types of nylon guides to be riveted onto the top and bottom of the channel. Customers can either order channel balances with guides pre-attached at the factory, or can order guide kits, with rivets included, and mount the guides themselves. CRL also offers the handy Cat. No. H3740 Rivet Set Tool, which mushrooms the rivet, giving it a very strong set.

    CRL 35" Window Channel Balance - 3420 or 34-2


    Other Products/Finishes:

    FA1220 CRL 13" Window Channel Balance - 1220 or 12-2
    FA1320 CRL 14" Window Channel Balance - 1320 or 13-2
    FA1420 CRL 15" Window Channel Balance - 1420 or 14-2
    FA1520 CRL 16" Window Channel Balance - 1520 or 15-2
    FA1620 CRL 17" Window Channel Balance - 1620 or 16-2
    FA1720 CRL 18" Window Channel Balance - 1720 or 17-2
    FA1820 CRL 19" Window Channel Balance - 1820 or 18-2
    FA1920 CRL 20" Window Channel Balance - 1920 or 19-2
    FA2020 CRL 21" Window Channel Balance - 2020 or 20-2
    FA2120 CRL 22" Window Channel Balance - 2120 or 21-2
    FA2220 CRL 23" Window Channel Balance - 2220 or 22-2
    FA2320 CRL 24" Window Channel Balance - 2320 or 23-2
    FA2420 CRL 25" Window Channel Balance - 2420 or 24-2
    FA2520 CRL 26" Window Channel Balance - 2520 or 25-2
    FA2620 CRL 27" Window Channel Balance - 2620 or 26-2
    FA2720 CRL 28" Window Channel Balance - 2720 or 27-2
    FA2820 CRL 29" Window Channel Balance - 2820 or 28-2
    FA2920 CRL 30" Window Channel Balance - 2920 or 29-2
    FA3020 CRL 31" Window Channel Balance - 3020 or 30-2
    FA3120 CRL 32" Window Channel Balance - 3120 or 31-2
    FA3220 CRL 33" Window Channel Balance - 3220 or 32-2
    FA3320 CRL 34" Window Channel Balance - 3320 or 33-2
    FA3420 CRL 35" Window Channel Balance - 3420 or 34-2
    FA3520 CRL 36" Window Channel Balance - 3520 or 35-2
    FA3620 CRL 37" Window Channel Balance - 3620 or 36-2
    FA3720 CRL 38" Window Channel Balance - 3720 or 37-2
    FA3820 CRL 39" Window Channel Balance - 3820 or 38-2
    FA3920 CRL 40" Window Channel Balance - 3920 or 39-2
    FA4020 CRL 41" Window Channel Balance - 4020 or 40-2
    FA4120 CRL 42" Window Channel Balance - 4120 or 41-2
    FA4220 CRL 43" Window Channel Balance - 4220 or 42-2

    Catalog Number:FA3420
    Also Available in These Catalogs:
    CRL83R Door and Window Replacement, PAGE 512W
    Channel Length:35" (889 mm)
    Stamped Number:3420 or 34-2
    Vent Weight Range Pounds (KG):13 - 18 (5.9 - 8.2)
    Ship Via:Can Ship UPS
    Shipping Weight:8 oz (227g)
    Minimum Order:1 Package

    Ordering Tips for FA Series Sash Balances

    Remove the existing Channel Balance from the window. Measure the length of the metal channel only. Do not include the Guides. This measurement should be at full inch increments.

    NOTE: There have been a few window manufacturers that have used special 1/2" (12.7 mm) increment channel lengths. These Channel Balances are not stocked, however they can be special ordered.

    Always look for the stamped or laser etched number on the back of the Channel Balance. This number will either be four numbers or two numbers and a letter. For example: 2710 or 27-2.

    Using the numbers on the back of the Channel Balance, refer to the chart. If you have a full 18" (457 mm) length channel, and the corresponding number on the back of the Channel Balance is 1710 or 17-1, the corresponding CRL Cat. No. is FA1710.

    If you have a full 27" length channel, and the number on the back of the Channel Balance is 2610 or 26-2, the corresponding Cat. No. is FA2610. The chart also includes a vent weight range. This range indicates the amount of sash weight that a pair of Channel Balances will hold. This range does not account for any excessive weatherstrip friction.

    NOTE: The weight range chart should be used for reference only, or if the stamped number is too difficult to read.

    Special weight range Channel Balances are available by special order. The standard balance chart shows stocked weight ranges from FA1210 to FA4240. The 10, 20, 30, 40 and 50 represents the counter-balance weight designation. If your Channel Balance has a number 90 or 9, instead of the five weight ranges listed above (for example: 2790-26) this Channel Balance was made specifically to carry a 26-pound sash weight per pair of Balances. If your Channel Balance has a "DS" after the length, for example 27DS-34, this pair of Channel Balances was made specifically to carry a 34-pound sash weight. These special weight Channel Balances are sometimes designed specifically for upper or lower sashes only. This information will need to be provided at time of order.

    The first two numbers of the CRL Catalog Number do not represent the length of the channel.

    Most shipping weights are approximate and have not been verified. If the exact weight is needed in order to determine shipping costs, and shipping costs are required in order for you to complete your order, please request this prior to submitting your order by contacting CRL Customer Service. Product images shown are of the actual product or a close representation. ColorsColours can vary depending on your computer's video card and on how your monitor's colorcolour is adjusted.