Skip to main contentSkip to footer

Overview

Monitor HVAC air ducts with the Edwards SIGA-SD Intelligent Duct Smoke Detector. Featuring a Form C auxiliary relay, status LED, and system integration capability, it provides reliable smoke detection and supports controlled responses within commercial environments.

Edwards SIGA-SD Intelligent Duct Smoke Detector with Auxiliary Relay

Model: SIGA-SD
Web Code: 19788963
Sold and shipped by | 3.6 seller rating (27 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Read return policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

Product Overview:

The Edwards SIGA-SD Intelligent Duct Smoke Detector is designed to monitor air ducts and identify smoke conditions within HVAC systems. Engineered for reliable performance, it helps support building safety by enabling early detection and response, while offering integration with compatible control systems.

Key Features:

Intelligent Detection: Designed for accurate smoke monitoring within HVAC duct systems.

Auxiliary Relay Output: Includes one Form C alarm relay for controlling connected equipment such as HVAC systems.

System Integration: Compatible with intelligent fire alarm systems for centralized monitoring.

Status Indicator: Built-in LED provides clear visual indication of device status.

Voltage Range: Operates within 15.2 to 19.95 VDC for stable performance.

Durable Design: Built for consistent operation in commercial and industrial environments.

What’s Included:

Edwards SIGA-SD Intelligent Duct Smoke Detector

Installation documentation

Why Choose the Edwards SIGA-SD:

This duct detector offers dependable performance and system integration capabilities, making it suitable for maintaining safety in HVAC environments. Its auxiliary relay and clear status indication support efficient monitoring and control within building management systems.

Product Condition
Brand New

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Return/Exchange Period
Condition