Silent Knight SK-HEAT-HT Thermal Heat Detector

The Silent Knight SK-HEAT-HT is a fixed high-temperature heat detector designed for compatible Silent Knight fire alarm systems. It provides dependable thermal detection for areas where smoke detectors may not be suitable due to environmental conditions.

The detector features a fixed 190°F (88°C) thermal sensor, rotary address switches, dual status LEDs, and a plug-in design that simplifies installation and maintenance. This product is intended for fire alarm installations.

Product Functions

• Detects high-temperature conditions
• Reports alarm conditions
• Monitors detector status
• Plug-in detector installation
• Rotary device addressing
• LED status indication
• Supports routine inspection and testing

Electrical & System Information

The SK-HEAT-HT operates on compatible Silent Knight signaling line circuits with an operating voltage of 15–32 VDC. Rotary address switches provide local device addressing, while the connected fire alarm control panel supervises detector status and maintenance information.

Features

• Fixed high-temperature heat detection
• 190°F (88°C) thermal rating
• Rotary address switches
• Dual LEDs with 360° visibility
• Plug-in detector head
• Low standby current
• Low-profile housing
• Indoor application

Mounting & Design

The SK-HEAT-HT installs on compatible B210LP or B501 detector bases. The plug-in detector head allows quick installation, inspection, testing, cleaning, and replacement without disturbing field wiring.

Protection & Applications

Suitable for:

• Warehouses
• Mechanical Rooms
• Boiler Rooms
• Industrial Facilities
• Manufacturing Areas
• Commercial Buildings
• Utility Rooms
• Storage Areas

Compatibility

Compatible with:

• Silent Knight 6700
• Silent Knight 6808
• Silent Knight 6820
• Silent Knight 6820EVS
• Silent Knight 5700
• Silent Knight 5808
• Silent Knight 5820XL
• Silent Knight 5820XL-EVS
• B210LP Detector Base
• B501 Detector Base
• RA100Z Remote LED Annunciator

Always verify compatibility with the installed fire alarm control panel and detector base before installation.

Technical Specifications

Manufacturer: Silent Knight

Parent Company: Honeywell

Model: SK-HEAT-HT

Product Type: Heat Detector

Detection Method: Fixed High-Temperature Thermal Detection

Fixed Temperature Rating: 190°F (88°C)

Operating Voltage: 15–32 VDC Peak

Typical Standby Current: 300 µA @ 24 VDC

Maximum LED Current: 6.5 mA @ 24 VDC

Operating Temperature: -4°F to 150°F (-20°C to 66°C)

Operating Humidity: 10%–93% RH Non-Condensing

Status Indicators: Dual LEDs

Addressing: Rotary Address Switches

Mounting: B210LP or B501 Detector Base

Application: Indoor Fire Alarm Systems

Listings: UL 521, FM Approved, CSFM Listed (application dependent)

Applications

The Silent Knight SK-HEAT-HT is designed for fire alarm systems requiring fixed high-temperature detection in locations where elevated ambient temperatures make heat detection more appropriate than smoke detection. Typical applications include mechanical rooms, utility spaces, warehouses, industrial facilities, and commercial buildings using compatible Silent Knight fire alarm equipment.

SK-HEAT-HT-W Datasheet