Sargent 25-PH10 Heavy Duty Fri...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$335.69
$219.43
Sargent 25-PH10 Heavy Duty Friction Hold-Open Parallel Arm for 351, 281, Door Closers

Sargent 25-PH10 Heavy Duty Friction Hold-Open Parallel Arm for 351, 281, Door Closers

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Model: 25PH10 EN RH
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Sargent Heavy Duty Friction Hold-Open Parallel Arm for 351/281/1431 Series Door Closers

Professional OEM Replacement Arm for Commercial Door Closer Applications

The Sargent Heavy Duty Friction Hold-Open Parallel Arm delivers professional-grade performance as an OEM replacement for Sargent 351, 281, and 1431 Series door closers. This parallel arm design features friction hold-open functionality that allows doors to be held securely at desired angles, providing convenience and accessibility in high-traffic commercial environments. Constructed from heavy-duty, commercial-grade materials, this replacement arm ensures long-lasting reliability and smooth, controlled door operation for demanding applications.

Professional Features & Benefits

  • Series Compatibility: Designed specifically for Sargent 351, 281, and 1431 Series door closers for precise OEM fit and reliable performance.
  • Heavy-Duty Construction: Commercial-grade materials provide exceptional durability for demanding environments with constant daily use.
  • Friction Hold-Open Operation: Allows door to be held securely at selected angle for ease of passage and improved accessibility compliance.
  • Parallel Arm Design: Optimized mounting configuration for parallel arm applications with smooth, controlled door movement.
  • OEM Replacement Quality: Ensures accurate fit and minimal setup time with dependable performance matching original equipment specifications.
  • Commercial Applications: Ideal for schools, hospitals, offices, and public buildings where reliable door control is essential.
  • Durable Finish: Resists wear, corrosion, and heavy use for long-term performance in commercial environments.
  • ADA Compliance Support: Supports accessibility requirements when paired with compatible door closers for barrier-free access.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

This replacement arm is designed for use with compatible Sargent 351, 281, and 1431 Series door closers. Refer to the parent device installation instructions and manufacturer documentation for proper integration. Ensure compatibility with existing hardware before installation.

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Sargent Quality?

Sargent door closer replacement components deliver professional-grade reliability with heavy-duty, commercial-grade materials designed for demanding applications. This OEM replacement ensures accurate fit and dependable performance for Sargent 351, 281, and 1431 Series door closers. Engineered for demanding commercial applications where dependable door control and accessibility compliance are essential.

Product Specs

Grade:
Grade 1
Product Type:
Door Closer Arms
Duty Level:
Heavy Duty
Product Group:
Door Controls
Product Subgroup:
Parts and Accessories
Subcategory:
Parts and Accessories
Commercial/Residential:
Commercial
Product Category:
Door Controls
Department:
Door Hardware

Parts & Accessories

    Sargent 25PH10 EN RH – Frequently Asked Questions

    1) Will the Sargent 25-PH10 parallel arm fit my door closer?
    The 25-PH10 heavy duty friction hold-open parallel arm is an OEM replacement for Sargent 351, 281 and 1431 Series door closers. It is not a universal arm, so if the closer body on the door is another Sargent series or another brand entirely, this is the wrong part. Check the series number stamped on the closer body before ordering.
    2) Is the Sargent 25-PH10 hold-open arm handed?
    Yes, handing has to be specified. The 25-PH10 is ordered left hand or right hand, so you need to know which way the door swings before you place the order. Some competing hold-open arms, like the LCN 1250-3049/PA, are non-handed designs, but this Sargent arm is not one of them.
    3) Can a hold-open arm hold a fire door open?
    No. A friction hold-open arm like the 25-PH10 holds the door mechanically at a set angle and has no way to release it, so it must never be installed on a fire rated opening that is required to self-close. Use it on non-rated doors: offices, corridors between non-rated spaces, loading and receiving doors. Where a rated door needs to stand open you need an electromagnetic hold-open closer tied into the fire alarm instead.
    4) I have LCN closers on most of my doors and one Sargent. Can I use one arm for all of them?
    No. Closer arms are series-specific. The 25-PH10 fits Sargent 351, 281 and 1431 Series closers only. For LCN bodies you need an LCN arm matched to that series: the 1250-3049/PA hold open arm with parallel arm shoe for the 1250 Series, the 4010-3049 hold open arm with adjustable elbow for the 4020 Series, or the 1260-3077 regular arm with parallel arm bracket for the 1260 Series. Standardizing a building on one closer series is what makes a single arm part number work across doors.
    5) What is the closest equivalent to the Sargent 25-PH10 friction hold-open parallel arm if the closer on the door is an LCN 1250?
    For an LCN 1250 closer, the arm to use is the LCN 1250-3049/PA hold open arm assembly with parallel arm shoe, which is a non-handed design with adjustable hold open. The Sargent 25-PH10 is built as an OEM replacement for Sargent 351, 281, and 1431 Series closers, and it is ordered handed - left hand or right hand - so it is specified per opening rather than stocked as one non-handed part.
    6) I have a Falcon SC70A closer with a parallel arm mount - can I use the Sargent 25-PH10 arm on it?
    No. The Sargent 25-PH10 is made for Sargent 351, 281, and 1431 Series door closers. For an SC70A body, the matching part is the Falcon SC70A-3049/PA hold open arm with PA bracket, which is built for the SC70A Series. Closer arms are series-specific at the pinion and shoe, so match the arm to the closer family already on the door.
    7) What finishes does the Sargent 25-PH10 parallel arm come in?
    Five sprayed enamel finishes: EAB sprayed brass enamel, EN sprayed aluminum enamel, EP sprayed bronze enamel to match satin bronze, EB sprayed bronze enamel to match dark satin bronze, and ED sprayed bronze enamel to match dark statuary bronze. The three bronze options are matched to different bronze tones, so if you are replacing one arm on a building where the rest of the closers were specified years ago, pick the enamel that matches the shade already on the doors rather than assuming bronze is bronze. Each finish is available in both left hand and right hand.
    8) What is the difference between a friction hold-open arm and a dead stop arm?
    A friction hold-open arm, which is what the Sargent 25-PH10 is, uses friction at the elbow to hold the door open at a selected angle, and it lets you dial the hold-open force in or out. A dead stop arm instead builds a hard stop into the parallel arm shoe to limit how far the door can swing, which protects the closer and the door when there is no wall stop. If you need both functions the Falcon SC60A-3049DS is a hold-open dead stop parallel arm assembly, but it is for Falcon SC60A Series closers, not Sargent.
    9) Should I use a parallel arm or a regular arm on my closer?
    A parallel arm like the 25-PH10 mounts on the pull side of the door with the arm running parallel to the face of the door when closed, which keeps the hardware tucked against the door and out of reach, and it is the usual choice for schools and other high-abuse openings. A regular arm mounts on the push side with the closer on the door and the arm reaching to the frame, which projects into the opening. Parallel arm mounting requires a parallel arm bracket or shoe on the frame, so the frame face has to be available for it.
    10) Is the Sargent 25-PH10 arm rated for heavy commercial traffic?
    It is a Grade 1, heavy duty arm built for commercial use. That is the top ANSI/BHMA durability grade for door closers, which is what you want on a corridor, stairwell, or entry door in a school, hospital, or municipal building where the door cycles all day.
    11) Do I need a mounting plate or bracket with the Sargent 25-PH10 arm?
    Parallel arm mounting needs a shoe or bracket on the frame soffit, and on top jamb applications Sargent uses a separate mounting plate, model 351A, which is ordered alongside the arm. Look at what is already on the frame: if the existing bracket and its fasteners are sound you are only replacing the arm itself. If the old arm failed because the bracket pulled out of the frame, plan on the plate too.
    12) If the opening does not need hold-open at all, what is the simpler arm option?
    Hold-open is a function of the arm, so dropping it means a standard arm rather than the Sargent 25-PH10. On LCN closers the plain options are the LCN 1260-3077 regular arm with parallel arm bracket for 1260 Series closers and the LCN 4000T-3077T standard arm replacement for the 4000T Series. Those close the door every cycle with no held position; the 25-PH10 lets the door be held securely at a selected angle.
    13) My door is center hung on a floor pivot - does the Sargent 25-PH10 parallel arm work there?
    A parallel arm like the Sargent 25-PH10 mounts to the closer body on the push side with the arm running parallel to the door face, which is not the configuration a center hung pivot door uses. For that opening, the Falcon OHC100A-DP is a center hung floor pivot with end load arm for OHC100 Series overhead concealed closers.
    14) Will the hold-open on this arm interfere with ADA opening force requirements?
    The arm itself does not set opening force, the closer does. Sargent describes the 25-PH10 as supporting accessibility when paired with a compatible closer, so the force adjustment stays at the closer body. One practical note on hold-open arms: the friction has to be tightened enough to hold the door but not so tight that it fights the closer on the return swing.
    How fast can I get the Sargent 25PH10 EN RH delivered?
    Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
    Can I return it if it doesn’t work for me?
    Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
    Does the Sargent 25PH10 EN RH come with a warranty?
    Absolutely. The Sargent 25PH10 EN RH is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
    How do I get technical support or installation help for the Sargent 25PH10 EN RH?
    You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
    Why buy the Sargent 25PH10 EN RH from ZenSupply?
    ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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