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AmesburyTruth / Windows Doors / AmesburyTruth Sash Balances
Windows Doors Window Hardware

AmesburyTruth AmesburyTruth Sash Balances

Replacement and new-construction sash balances for single and double-hung windows. Available in block-and-tackle (inverted, standard mount, and sideload), hybrid (Lite-Lift and Super Lift), and constant force coil types. Covers 3–130 lbs sash weight and 12"–72" lengths. All series AAMA 902 certified.

Certification

AAMA 902

Materials Compatible

Aluminum, composite, vinyl, wood windows

Tlock Sizes

1" or 1.25" (block-and-tackle series)

Common Lengths

12", 14", 16", 18", 20", 22", 24", 26", 28", 30"

Cycle Rating Hybrid

40,000+ cycles (250/255 series)

Model Comparison

12 models
AmesburyTruth Sash Balances — 135 135
Specification 135 706 716 747 777 841 Pinnacle 250 255 975 984 Ashland G3
Model
capacity_lbs 3–52 lbs5–45 (60 limited travel) lbs5–45 (60 limited travel) lbs5–45 (50 limited travel) lbs5–45 (60 limited travel) lbs5–35 (50 limited travel) lbs3–45 (60 limited travel) lbs9–100 per pair lbs9–130 per pair lbs5–72 lbs5–80 lbs5–80 lbs
lengths_inches 12–5012–4512–4512–4512–4512–4512–5012–7212–72N/A (35" travel)12–4512–45
mount Sideload (rack-in-sash), winged and non-winged shoeInverted, T-lock 1" or 1.25", reverse laceInverted, T-lock 1" or 1.25", traditional lace — most widely specifiedInverted, T-lock, grooved channel — straight drop-in sash installationStandard mount below tilt latch, T-lock 1" or 1.25"Inverted, 1" × 3/8" jamb pocket — older/traditional windowsTwist-and-turn (hanger-mount or screw-in), pawl lock — no balance covers needed0.660" (21/32") rigid PVC tube, Black or White finish0.760" (3/4") rigid PVC tube, Black or White finish — higher capacity than 250Inverted, T-head twist-and-turn, 1-1/4" × 9/16" vinyl pocketStandard mount, 1.25" pocket, stainless steel springsStandard mount, 1.25" pocket, PivotTrue™ pivot bar/shoe interlock

Shared Specifications

All models
certification AAMA 902
materials_compatible Aluminum, composite, vinyl, wood windows
tlock_sizes 1" or 1.25" (block-and-tackle series)
common_lengths 12", 14", 16", 18", 20", 22", 24", 26", 28", 30"
cycle_rating_hybrid 40,000+ cycles (250/255 series)

Documentation