Silent Knight SK-HEAT-HT-W Heat Detector

The Silent Knight SK-HEAT-HT-W is a commercial high temperature heat detector designed to provide dependable fixed thermal fire detection in environments where elevated ambient temperatures make standard heat detectors unsuitable. It utilizes an advanced thermistor sensing circuit that delivers fast, reliable response while minimizing nuisance alarms.

The detector features rotary address switches, dual LED status indicators, and onboard processing for continuous performance monitoring. Its plug-in design allows quick installation, testing, and maintenance, making it suitable for a wide variety of commercial fire alarm applications.

Product Functions

• Detects high temperature fire conditions
• Reports alarm conditions to the fire alarm control panel
• Provides rotary device addressing
• Continuously monitors detector status
• Performs automatic self supervision
• Provides maintenance indication
• Supports plug-in installation
• Provides visual status indication through dual LEDs

Electrical & System Information

The SK-HEAT-HT-W operates from a signaling line circuit with an operating voltage of 15 to 32 VDC. An advanced thermistor sensing circuit continuously monitors temperature while onboard electronics supervise detector performance.

Dual LEDs provide 360 degree visibility for normal operation, maintenance, and alarm indication. The detector utilizes low standby current and communicates continuously with the fire alarm control panel.

Features

• High temperature heat detector
• Fixed thermal detection
• 190 degree Fahrenheit activation
• Rotary address switches
• Dual LED indicators
• 360 degree visibility
• Plug-in installation
• Thermistor sensing technology
• Low standby current
• Modern low-profile design
• Automatic maintenance indication
• Commercial fire alarm application

Mounting & Design

The SK-HEAT-HT-W features a low-profile housing designed for installation on compatible detector bases. Its plug-in construction allows the detector to be installed, removed, tested, or replaced without disturbing the field wiring.

The detector housing is manufactured from durable engineering polymer and is designed to provide dependable long-term performance in commercial indoor environments.

Protection & Applications

Suitable for:

• Commercial Fire Alarm Systems
• Mechanical Rooms
• Boiler Rooms
• Industrial Facilities
• Manufacturing Plants
• Warehouses
• Commercial Kitchens
• Utility Rooms
• Parking Structures
• Office Buildings
• Schools and Universities
• Hospitals

Technical Specifications

Manufacturer: Silent Knight

Parent Company: Honeywell

Model: SK-HEAT-HT-W

Product Type: High Temperature Heat Detector

Detection Method: Fixed Thermal Detection

Thermal Rating: 190 Degrees Fahrenheit 88 Degrees Celsius

Operating Voltage: 15 to 32 VDC

Standby Current: 200 Microamps Maximum at 24 VDC

LED Current: 4.5 Milliamps Maximum at 24 VDC

Status Indicators: Dual LEDs with 360 Degree Visibility

Addressing: Rotary Address Switches

Operating Temperature: Minus 4 Degrees Fahrenheit to 150 Degrees Fahrenheit Minus 20 Degrees Celsius to 66 Degrees Celsius

Relative Humidity: 10 Percent to 93 Percent Non Condensing

Installation: Plug In Detector Base

Application: Indoor Commercial Fire Alarm Systems

Listings: UL Listed, FM Approved, and CSFM Listed. Verify product labeling, local codes, and project requirements before installation.

Applications

The Silent Knight SK-HEAT-HT-W is designed for commercial fire alarm systems requiring high temperature thermal detection in areas where standard heat detectors may be unsuitable. Typical applications include boiler rooms, mechanical equipment rooms, industrial facilities, warehouses, manufacturing plants, commercial kitchens, utility spaces, parking structures, and other commercial occupancies exposed to elevated ambient temperatures.