NORTON RIXSON Door Lock Closer UNI7500-36 33-41 689

( Brand: Norton Rixson ), ( Manufacturer Part Number: UNI7500 ), ( Model: UNI7500-36 689 ), ( Type: Door Lock ), ( Country Of Origin: United States )

Review NORTON RIXSON 33-41 689 Door Lock Closer

The **Norton Rixson Uni7500 Series 33-41 Uni7500-36 689 Door Lock Closer** is a premium, high-performance hydraulic door closer designed to deliver exceptional functionality, durability, and aesthetic appeal for both commercial and institutional applications. Engineered with precision, this closer is part of Norton Rixson s renowned Uni7500 series, which combines cutting-edge technology with timeless craftsmanship to ensure seamless operation and long-term reliability. The Uni7500-36 model, specifically, is tailored for medium-duty applications, offering a robust 689-inch pound (lb-in) closing effort ideal for standard swing doors ranging from 33 to 41 inches in width. Its hydraulic mechanism provides smooth, consistent closing action, minimizing slamming and wear on door frames while maintaining a professional, quiet operation. The closer s sleek, modular design allows for easy installation and adjustment, accommodating various door weights and swing angles with precision. Constructed from high-grade materials, including corrosion-resistant components and a durable powder-coated finish, this closer is built to withstand harsh environments, ensuring longevity even in high-traffic areas. Its universal compatibility makes it a versatile choice for doors in offices, schools, healthcare facilities, and public buildings, where both functionality and appearance matter. Whether used in new construction or retrofitting existing installations, the Norton Rixson Uni7500-36 689 delivers superior performance, blending form and function to enhance the efficiency and aesthetics of any doorway.

### **Pros and Cons of buying a Norton Rixson Uni7500 (33-41, Uni7500-36, 689 Door Lock Closer)**

1. **High-Quality Construction** Norton Rixson is a well-established brand known for durable, long-lasting commercial-grade hardware. The Uni7500 series is designed for heavy-duty use, making it suitable for high-traffic commercial and institutional applications.

2. **Adjustable and Versatile** The closer is designed to accommodate a wide range of door swing angles (33 to 41 ) and can be adjusted for different door weights and travel distances. This flexibility makes it adaptable to various door types without requiring extensive modifications.

3. **Smooth Operation** The Uni7500 series is engineered for quiet, smooth closing, reducing noise in environments where door slams could be disruptive (e.g., offices, schools, or hospitals).

4. **Durable Materials** Made from high-quality steel and reinforced components, this closer is resistant to wear and tear, ensuring reliable performance over time. The weather-resistant design also makes it suitable for exterior doors in varying climates.

5. **Easy Installation** While some commercial closers require professional installation, the Uni7500 is designed with straightforward mounting and adjustment features, making it accessible for experienced DIYers or contractors.

6. **Compliance with Safety Standards** Norton Rixson products often meet or exceed industry safety standards, including those for fire-rated doors, which can be critical in commercial or institutional settings.

7. **Long Lifespan** Due to its robust construction, this closer is expected to last significantly longer than standard residential closers, reducing the need for frequent replacements.

8. **Compatibility with Security Systems** Many commercial closers, including this model, can be integrated with access control or security systems, enhancing building security.

---

1. **Higher Upfront Cost** Compared to basic residential door closers, the Norton Rixson Uni7500 is more expensive. The investment may not be justified for low-traffic or residential applications where a cheaper model would suffice.

2. **Complexity for Non-Professionals** While adjustable, the finer tuning of the closer (e.g., adjusting speed, hold, or latch) may require some mechanical skill. Users unfamiliar with door hardware adjustments might struggle with optimal performance.

3. **Limited Aesthetic Customization** Like many commercial closers, the Uni7500 has a utilitarian design and may not blend seamlessly with high-end or decorative door hardware. It is primarily functional rather than ornamental.

4. **Maintenance Requirements** Over time, commercial closers may require occasional lubrication or part replacements to maintain optimal performance. Neglecting maintenance could lead to premature wear.

5. **Overkill for Light-Duty Use** If the closer is being used in a setting with minimal door traffic (e.g., a rarely used side door in a home), the heavy-duty nature of the Uni7500 may be unnecessary, making it a less cost-effective choice.

6. **Potential for Over-Adjustment** Improper adjustment can lead to issues such as the door not closing fully, excessive force, or premature wear on the mechanism. Users must carefully follow the manufacturer s guidelines to avoid voiding warranties or causing damage.

7. **Weight Limitations** While the Uni7500 is designed for commercial use, extremely heavy doors (e.g., those with thick glass or reinforced frames) may require a heavier-duty model, limiting its versatility in some cases.

---

The Norton Rixson Uni7500 (33-41, Uni7500-36, 689) is a superior choice for **commercial, institutional, or high-traffic applications** where durability, reliability, and smooth operation are critical. Its adjustable nature, robust construction, and compliance with safety standards make it ideal for settings such as schools, offices, hospitals, or public buildings. However, for **residential use or low-traffic applications**, the higher cost and complexity may not justify the purchase, as more affordable alternatives would likely suffice.

If you are installing this closer in a **commercial setting** and prioritize longevity and performance, the Uni7500 is an excellent investment. For **residential or light-duty use**, consider a more budget-friendly closer to balance cost and functionality.

- You are installing it in a **commercial, institutional, or high-traffic environment**.

- You need a **durable, adjustable closer** that meets safety and performance standards.

- You are willing to invest in **long-term reliability** over short-term cost savings.

- You are working on a **residential project** with minimal door traffic.

- You prefer a **simpler, less expensive** closer for basic use.

- You lack experience with **adjusting or installing commercial-grade hardware**.

For residential or light-commercial use, explore options like **Schlage, Kwikset, or lower-cost Norton Rixson models** that offer similar functionality at a reduced price. Always ensure the closer is compatible with your specific door type and weight requirements.

Details:

Brand new in box, never used.

part #: uni7500 prices

• $120.00-$689.99

specifications locsedoo:

• brand: Norton Rixson
• mpn: Uni7500
• model: Uni7500-36 689
• type: Door Lock
• country of origin: United States

general locsedoo:

• condition: Open box
• Building Hardware > doors Door Hardware > Door Locks Lock Mechanisms

seller locsedoo:

• # reviews: 101
• rating: 100.0%
• city: Crystal Lake, Illinois

returns locsedoo:

• policy: No Returns

shipping locsedoo:

• cost: $9.53
• carrier: USPS
• service: USPS Ground Advantage
• transit: 5-9 Days
• type: Calculated
• class: Standard

offer locsedoo:

• options: Ship-to-home
• availability: In Stock
• started: March 22, 2026
• quantity: 1
• sold: 0
• best offers: True

payments locsedoo:

• money order
• wallet: Apple-pay
• other
• credit card: Visa

Norton Rixson UNI7500 Is Similar To:

• 6960l Norton New Lh Powermatic Commercial Industrial Door Closer Alum Finish (32.2% similar) New Norton 6960L LHS paramedic commercial industrial door closer alum finish 120V and has never been used in the original box with accessories instructions. This listing is for. I do my best to describe the item I'm selling and condition that its in. Parts are listed with part numbers when available...(February 1st, 2019)
• 7500 Norton New Commercial Parallel Arm Door Closer Light Bronze Reversible (32.4% similar) Items are shipped through FedEx ground or USPS priority first class only. Parts are listed with part numbers when available please do your research before buying. What you see in the pictures is will receive. I do my best to describe the item I'm selling and condition that its in. This listing is ...(March 25th, 2019)
• 7704 Norton New Commercial Parallel Arm Door Closer Dark Bronze Reversible (32.6% similar) I do my best to describe the item I'm selling and condition that its in. New Norton 7704 commercial parallel arm door closer dark bronze and has never been used in the original box with accessories instructions. The untruly uses a compression spring buffer at soft plate arm shoe that will absorb 30 ...(January 30th, 2019)
• 8501 Norton Lot New Door Closer Body Covert Aluminum Finish For (32.3% similar) Parts are listed with part numbers when available please do your research before buying. Lot 2 new Norton door closer body covert aluminum finish for UNI8301-8501NEW old stock. I do my best to describe the item I'm selling and condition that its in. This listing is for. What you see in the pictures ...(February 8th, 2019)
• Ashley Norton R13846 Ul Single Point Lock Or Latch 21x9 855699 (34.1% similar) Part #: Ashley Norton R13846 for sale...(February 22nd, 2026)
• Norton Rixson 049306742245 Assa Abloy 1601 689 Door Closer Parallel Arm Mounted (46.6% similar) Assay ably 1601 689 door closer parallel arm mounted mounted...(April 29th, 2026)