Name: System Sensor APA151 Remote Annunciator
Brand: System Sensor
SKU: APA151
Price: 77.78 USD
Availability: InStock

System Sensor APA151 Remote Annunciator

Description

Product Summary

The System Sensor APA151 Remote Annunciator is a professional-grade replacement part from System Sensor. The APA151 piezo annunciator proivides an audible alarm signal, a red LED to indicate alarm status, and a green LED to indicate power status.

Duct smoke detectors sense smoke in the HVAC air stream and shut down air handlers to keep smoke from spreading through a building, as required by many mechanical and fire codes for systems above 2,000 CFM. This group includes detector housings, sampling tubes, remote test stations, annunciators, and accessories.

Key Features

For use with 4-wire conventional duct smoke detector applications

Specifications

Brand	System Sensor
Part Number	APA151
Part Type	Duct Smoke Detector
Operating Voltage	16 to 33 VDC
Maximum Alarm Current	30mA
Temperature Range	32°F to 120°F (0°C to 49°C)
Relative Humidity	10 to 93% RH (Non-condensing)
Wire Gauge	12 to 18AWG

White Paper

System Sensor APA151 Product Specification Sheet (PDF)

What's Included

(1) System Sensor APA151 Remote Annunciator

Safety: Always disconnect power and follow lockout/tagout procedures before servicing electrical components. Installation should be performed by a qualified technician.

Extra Information

Find your comfort-ready size with confidence

Get a fast, learning-friendly estimate for tons and BTUs, then review it with a Pro to dial in the perfect fit for your home.

Quick sizing snapshot

Enter your home size and a few basics to see a quick HVAC365 sizing snapshot you can review with a Professional.

Home size (sq ft)

Enter at least 100 sq ft.

Use conditioned square footage only; skip garages and unfinished basements.

Climate

We’ll auto-detect for U.S. visitors.

Home type

Select your home type.

Shared walls and insulation levels change the load—pick what matches your structure.

System type

Choose a system type.

Match the system to your ductwork, fuel, or preferred heat source for best comfort.

This is a sizing estimate for general guidance only. Always confirm final size, duct design, and fuel type with a Professional before purchasing equipment or pulling permits.

Brand:

System Sensor

Weight:

3.00 LBS

Safety Information:

⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Prop 65 Warning:

Yes

Part Type:

Duct Smoke Detector

Operating Voltage:

16 to 33 VDC

Maximum Alarm Current:

30mA

Temperature Range:

32°F to 120°F (0°C to 49°C)

Relative Humidity:

10 to 93% RH (Non-condensing)

Wire Gauge:

12 to 18AWG

Please Note: To validate the manufacturer's warranty, equipment must be installed by a qualified licensed professional in accordance with local codes and the manufacturer's installation requirements.