Hero image 0 of 35" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 34-1, 0 of 7
35" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 34-1
(No ratings yet)
35" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 34-135 Caldwell Series 300 5 8 Channel Block Tackle Window Balance Stamp 34 135 Caldwell Series 300 5 8 Channel Block Tackle Window Balance Stamp 34 235 Caldwell Series 300 5 8 Channel Block Tackle Window Balance Stamp 34 335 Caldwell Series 300 5 8 Channel Block Tackle Window Balance Stamp 34 535 Caldwell Series 300 5 8 Channel Block Tackle Window Balance Stamp 34 9
Size:34-1 (8-13 lbs)
Actual Color:Metal
Key item features
- ENGINEERED FOR NON-TILT WINDOWS – Designed for side-load, non-tilt window systems with a standard 5/8″ metal channel, commonly used in vinyl and aluminum single- or double-hung frames. This balance measures 35" inches in length and supports 8-13 lbs sashes. Each balance arrives pre-assembled with top and bottom guides attached, so installation is fast and frustration-free—no special tools required.
- AVAILABLE IN LENGTHS FROM 8″ TO 49″ (3 TO 44 LB RANGE) – The Series 300 fits nearly all non-tilt window sizes, from light residential sashes to heavy commercial frames. Covers a complete range of lengths and weight ratings for versatile use. Each balance is precision-tested for smooth, reliable performance and long-term durability. Sold individually; accessories and hardware not included. Contact WRS if your exact size isn’t listed.
- SMOOTH, SAFE & SECURE OPERATION – The Series 300’s precision pulley and spring system balances the sash to prevent slamming or sticking, keeping windows steady at any height. Designed for quiet, reliable performance in homes, schools, and offices where safety and ease of use matter every day.
- HEAVY-DUTY GALVANIZED STEEL CONSTRUCTION – Crafted from high-strength galvanized steel for long-term durability and corrosion resistance. Precision pulleys and springs maintain smooth lift through thousands of cycles, ensuring reliable performance for years of daily use. Built tough for pros yet simple enough for DIY installation.
- TRUSTED SINCE 1989 – WRS Window Repair Systems has over 30 years of experience supplying reliable, high-quality hardware. Trusted nationwide by homeowners, contractors, schools, and property managers for dependable repairs and long-lasting performance.
Specs
- Window balance typeblock and tackle
- Size34-1 (8-13 lbs)
- FeaturesHeavy-Duty, Quiet
- MaterialMaterial
- BrandWRS
- Rec. useSchool, Office, Commercial, Hardware, Construction, Vinyl Surface
Current price is USD$12.31
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Ships to
Arrives by Thu, May 21
|
Sold and shipped by Wholesale Product Supply
4.735294117647059 stars out of 5, based on 34 seller reviews(4.7)34 seller reviews
Free 30-day returns
About this item
Product details
The 300 Series is a standard block and tackle window balance for sideload / non-tilt window applications. 5/8" Channel Depth. To measure the balance, measure the length of the metal channel only. Balances include standard non-winged top and bottom guides. Includes the balance and pre-installed top and bottom guides only. No other parts are included. If you have questions, contact us before purchasing. If your metal channel does not match exactly, please contact us before you place your order.
- ENGINEERED FOR NON-TILT WINDOWS – Designed for side-load, non-tilt window systems with a standard 5/8″ metal channel, commonly used in vinyl and aluminum single- or double-hung frames. This balance measures 35" inches in length and supports 8-13 lbs sashes. Each balance arrives pre-assembled with top and bottom guides attached, so installation is fast and frustration-free—no special tools required.
- AVAILABLE IN LENGTHS FROM 8″ TO 49″ (3 TO 44 LB RANGE) – The Series 300 fits nearly all non-tilt window sizes, from light residential sashes to heavy commercial frames. Covers a complete range of lengths and weight ratings for versatile use. Each balance is precision-tested for smooth, reliable performance and long-term durability. Sold individually; accessories and hardware not included. Contact WRS if your exact size isn’t listed.
- SMOOTH, SAFE & SECURE OPERATION – The Series 300’s precision pulley and spring system balances the sash to prevent slamming or sticking, keeping windows steady at any height. Designed for quiet, reliable performance in homes, schools, and offices where safety and ease of use matter every day.
- HEAVY-DUTY GALVANIZED STEEL CONSTRUCTION – Crafted from high-strength galvanized steel for long-term durability and corrosion resistance. Precision pulleys and springs maintain smooth lift through thousands of cycles, ensuring reliable performance for years of daily use. Built tough for pros yet simple enough for DIY installation.
- TRUSTED SINCE 1989 – WRS Window Repair Systems has over 30 years of experience supplying reliable, high-quality hardware. Trusted nationwide by homeowners, contractors, schools, and property managers for dependable repairs and long-lasting performance.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Window balance type
block and tackle
Size
34-1 (8-13 lbs)
Compatibility
sideload / non-tilt window applications
Features
Heavy-Duty, Quiet
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Similar items you might like
Based on what customers bought
WRS Amesbury Block & Tackle Balance for Non-Tilt Windows - 33" 3220 (13-18 lbs) $11.06
5 optionsAvailable in additional 5 options$1106current price $11.06WRS Amesbury Block & Tackle Balance for Non-Tilt Windows - 33" 3220 (13-18 lbs)
34" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 33-4 $12.98
7 optionsAvailable in additional 7 options$1298current price $12.9834" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 33-4
null3.7 out of 5 Stars. null reviewsWRS Amesbury Block & Tackle Balance for Non-Tilt Windows - 28" 2710 (5-9 lbs) $9.78
4 optionsAvailable in additional 4 options$978current price $9.78WRS Amesbury Block & Tackle Balance for Non-Tilt Windows - 28" 2710 (5-9 lbs)
WRS Amesbury Block & Tackle Balance for Non-Tilt Windows - 34" 3340 (23-28 lbs) $10.46
5 optionsAvailable in additional 5 options$1046current price $10.46WRS Amesbury Block & Tackle Balance for Non-Tilt Windows - 34" 3340 (23-28 lbs)
27" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 26-4 $10.68
7 optionsAvailable in additional 7 options$1068current price $10.6827" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 26-4
15 out of 5 Stars. 1 reviews29" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 28-5 $10.61
7 optionsAvailable in additional 7 options$1061current price $10.6129" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 28-5
74.6 out of 5 Stars. 7 reviews40" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 39-5 $11.49
5 optionsAvailable in additional 5 options$1149current price $11.4940" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 39-5
WRS Caldwell 300 Series 26" 5/8" Channel Non-Tilt Window Balance $9.96
6 optionsAvailable in additional 6 options$996current price $9.96WRS Caldwell 300 Series 26" 5/8" Channel Non-Tilt Window Balance
null4.6 out of 5 Stars. null reviewsWRS Caldwell Standard Take Out Clip for Block and Tackle Window Balances - 20 Pa $4.98
$498current price $4.98WRS Caldwell Standard Take Out Clip for Block and Tackle Window Balances - 20 Pa
WRS Caldwell Series 250 Aluma-Tilt Heavy Duty 5/8" Tilt Spiral Window Balance - 48", Black Tip $8.15
45 optionsAvailable in additional 45 options$815current price $8.15WRS Caldwell Series 250 Aluma-Tilt Heavy Duty 5/8" Tilt Spiral Window Balance - 48", Black Tip
14 out of 5 Stars. 1 reviews28" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 27-9 $10.07
7 optionsAvailable in additional 7 options$1007current price $10.0728" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 27-9
33.3 out of 5 Stars. 3 reviewsBest seller WRS Series 37 QuickTilt Coil Spring Balance - #16, 31-32.99 Lbs (Tandem) $6.36
Best seller
21 optionsAvailable in additional 21 options$636current price $6.36WRS Series 37 QuickTilt Coil Spring Balance - #16, 31-32.99 Lbs (Tandem)
73.9 out of 5 Stars. 7 reviews12" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 11-1 $6.91
6 optionsAvailable in additional 6 options$691current price $6.9112" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 11-1
null5 out of 5 Stars. null reviews15" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 14-3 $7.09
7 optionsAvailable in additional 7 options$709current price $7.0915" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 14-3
15 out of 5 Stars. 1 reviews21" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 20-4 $9.55
6 optionsAvailable in additional 6 options$955current price $9.5521" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 20-4
null4.4 out of 5 Stars. null reviewsWRS 1-13/16" Extruded Spring Sash Lift - Black $9.32
5 optionsAvailable in additional 5 options$932current price $9.32WRS 1-13/16" Extruded Spring Sash Lift - Black
17" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 16-1 $8.06
6 optionsAvailable in additional 6 options$806current price $8.0617" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 16-1
null5 out of 5 Stars. null reviewsWRS Caldwell Series 40 Spiromite 3/8" Spiral Window Balance for Non-Tilt Windows $9.48
2 optionsAvailable in additional 2 options$948current price $9.48WRS Caldwell Series 40 Spiromite 3/8" Spiral Window Balance for Non-Tilt Windows
WRS Series 320 28" Extended Travel Apex Block & Tackle Balance | 27-3 (12-16.99 $9.76
$976current price $9.76WRS Series 320 28" Extended Travel Apex Block & Tackle Balance | 27-3 (12-16.99
24" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 23-5 $11.76
6 optionsAvailable in additional 6 options$1176current price $11.7624" Caldwell Series 300 5/8" Channel Block & Tackle Window Balance - Stamp 23-5
Customer ratings & reviews
0 ratings|0 reviews
This item does not have any reviews yet
