InnovairFlex D4120 Duct Smoke Detector 24VAC/VDC 120VAC 2 DPDT Relays HVAC

Overview

InnovairFlex D4120 Duct Smoke Detector | 24VAC/VDC or 120VAC – Dual Relay Output

Ensure critical smoke detection across your HVAC or gas-monitored systems with the InnovairFlex D4120 Duct Smoke Detector. Designed for flexible mounting, this advanced detector supports both 24VAC/VDC and 120VAC input power, making it ideal for commercial and industrial setups.

Key Features

• Dual DPDT relay outputs for integrated control and monitoring
• Compatible with multi-fan systems, allowing interconnection for shutdownAir velocity rating: 100 ft/min to 4,000 ft/minOperating range: 4°F to 158°F; up to 95% humidity (non-condensing)Wiring space: Expanded 3/4" conduit knockouts with quick-connect terminals
• Built-in circuit protection ensures operator and device safetyStatus LEDs with integrated Test/Reset buttonWater-resistant housing for rooftop or exposed duct useWorks with HVAC control systems, compatible with accessory relays and modules
• Perfect for use in:→ Industrial HVAC setups→ Environments with potential propane, LP gas, or natural gas equipment→ Commercial ducted ventilation systems requiring early fire detection

Product details

Part / SKU	D4120

Package includes

• InnovairFlex D4120 Duct Smoke Detector 24VAC/VDC 120VAC 2 DPDT Relays HVAC

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.