---
product_id: 530120445
title: "Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); For Use with Door Closers to Control the Release and Closing of Residential, Commercial and Public Area Doors"
brand: "seco-larm"
price: "€ 343.74"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/530120445-seco-larm-dh-171sq-flush-mount-magnetic-door-holder-holding
store_origin: SK
region: Slovakia
---

# Tri-voltage compatibility 33-lb magnetic hold Flush-mount sleek design Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); For Use with Door Closers to Control the Release and Closing of Residential, Commercial and Public Area Doors

**Brand:** seco-larm
**Price:** € 343.74
**Availability:** ✅ In Stock

## Summary

> 🧲 Elevate your space with magnetic mastery—hold the door, hold the moment!

## Quick Answers

- **What is this?** Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); For Use with Door Closers to Control the Release and Closing of Residential, Commercial and Public Area Doors by seco-larm
- **How much does it cost?** € 343.74 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/530120445-seco-larm-dh-171sq-flush-mount-magnetic-door-holder-holding)

## Best For

- seco-larm enthusiasts

## Why This Product

- Trusted seco-larm brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Flush-Mount Elegance:** Discreet, low-profile aluminum faceplate blends into any modern workspace.
- • **Tri-Voltage Flexibility:** Operates seamlessly on 12/24 VAC/VDC and 120VAC for versatile installation.
- • **Powerful 33-lb Holding Force:** Securely holds doors open with industry-leading electromagnetic strength.
- • **Fail-Safe, No Residual Magnetism:** Ensures effortless door release every time—no sticky situations.
- • **UL-Listed Compatibility & Easy Installation:** Works perfectly with Seco-Larm door closers; adjustable armature plate for precise alignment.

## Overview

The Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder delivers a robust 33-pound electromagnetic hold, compatible with multiple voltages (12/24 VAC/VDC, 120VAC) and designed for seamless integration with Seco-Larm door closers. Its sleek flush-mount design and fail-safe operation ensure professional-grade performance and effortless door control in residential, commercial, and public spaces.

## Description

Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); For Use with Door Closers to Control the Release and Closing of Residential, Commercial and Public Area Doors

## Features

- Used with Seco-Larm door closers to control door release and closing
- Provides 33 pounds of electromagnetic holding force (15kg)
- No residual magnetism allows easy release; fail-safe operation
- 3 voltages: 12/24 VAC/VDC, and 120VAC
- Installation Type: Flush-Mount

## Technical Specifications

| Specification | Value |
|---------------|-------|
| UPC | 676544017493 |
| Manufacturer | Seco-Larm |
| Country of Origin | USA |
| Item model number | DH-171SQ |
| Package Dimensions | 20.5 x 12.8 x 8.2 cm; 496 g |
| ASIN | B01M5EHW8U |

## Product Details

- **Brand:** Seco-Larm
- **Item Weight:** 496 Grams
- **Installation Type:** Screw-In
- **Recommended Uses For Product:** For use with door closers to control the release and closing of residential, commercial, and public area doors
- **Specification Met:** UL

## Images

![Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); For Use with Door Closers to Control the Release and Closing of Residential, Commercial and Public Area Doors - Image 1](https://m.media-amazon.com/images/I/71j++LYNCxL.jpg)
![Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); For Use with Door Closers to Control the Release and Closing of Residential, Commercial and Public Area Doors - Image 2](https://m.media-amazon.com/images/I/51NZK3gNdAL.jpg)
![Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); For Use with Door Closers to Control the Release and Closing of Residential, Commercial and Public Area Doors - Image 3](https://m.media-amazon.com/images/I/51GeU+rM1HL.jpg)
![Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); For Use with Door Closers to Control the Release and Closing of Residential, Commercial and Public Area Doors - Image 4](https://m.media-amazon.com/images/I/61O95AlauLL.jpg)
![Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding force 33-lb (15kg); For Use with Door Closers to Control the Release and Closing of Residential, Commercial and Public Area Doors - Image 5](https://m.media-amazon.com/images/I/415sLscVaNL.jpg)

## Questions & Answers

**Q: Do you sell replacement key fobs for the secolarm dh171sq?**
A: There are no “keyfobs” with or for this product.

**Q: Do you have to have power run to operate this door stop?**
A: Yes

**Q: it can be used without power ?**
A: No

**Q: Will these mount to a single gang electrical box?**
A: Yes.  It will fit to single-gang box.

## Frequently Bought Together

- Seco-Larm DH-171SQ Flush-Mount Magnetic Door Holder; Holding Force 33-lb (15kg); for Use with Door Closers to Control The Release and Closing of Residential, Commercial and Public Area Doors
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- Seco-Larm DH-151SQ Magnetic Door Holder, Surface-Mount, Adjustable Armature Plate, 33-lb Holding Force, Cast Aluminum Faceplate, Built-in Voltage Spike Suppressor, Low Profile Design

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**Shop now:** [https://www.desertcart.sk/products/530120445-seco-larm-dh-171sq-flush-mount-magnetic-door-holder-holding](https://www.desertcart.sk/products/530120445-seco-larm-dh-171sq-flush-mount-magnetic-door-holder-holding)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-24*