Macurco WHK-1 wireless horn/relay kit accessory for Macurco gas detection systems.

Key features

• Installs to a standard 4×4 electrical box via mud plate for clean in-wall mounting
• 5 A SPDT fan relay for controlling ventilation fans, dampers, louvers, or other mechanical equipment
• 0.5 A alarm relay output for driving local horn and strobe notification appliances
• User-selectable settings via two-button interface with defaults set to industry standard thresholds
• LED display shows real-time gas concentration levels for rapid field inspection

The Macurco WHK-1 is a relay and horn accessory kit used alongside Macurco fixed gas detectors in commercial applications such as parking garages, mechanical rooms, and refrigeration equipment rooms. The integrated fan relay enables direct control of ventilation equipment in response to gas alarm signals without requiring an intermediate relay module. Compatible with Macurco CM-E1, GD-E1, and related series gas detectors that provide relay trigger outputs. Confirm detector model compatibility before ordering.

Verify panel/device family compatibility before ordering.