UPC: 85267038744
C7027A1023 Honeywell Minipeeper UV Flame Sensor Datasheet
C7027A1023 Honeywell Minipeeper UV Flame Sensor Installation Guide
Product Overview
The Honeywell C7027A1023 Minipeeper UV Flame Sensor is a compact and reliable ultraviolet flame detector designed for use in burner management systems, boilers, and industrial combustion applications. Its small size makes it ideal for tight spaces, while the rugged construction ensures long-lasting performance in demanding HVAC and flame safeguard environments.
This Honeywell UV flame sensor is part of the trusted C7027 Minipeeper series, engineered to provide accurate flame detection in gas, oil, and combination fuel systems. Whether installed in a commercial boiler, industrial furnace, or packaged burner system, the C7027A1023 flame detector ensures dependable operation and safety.
Key Features and Benefits
Ultraviolet flame detection for reliable burner management system safety
Compact Minipeeper design for installations in limited space or blast tube mounting
½” pipe mounting with integral collar for easy and secure installation
Operating temperature range from 0°F to 215°F (-18°C to 102°C)
Pressure-sealed up to 5 psi when installed correctly
Rugged construction with encapsulated sensor tube for durability
Parallel wiring option allows up to two detectors in challenging sighting conditions
Compatible with Honeywell flame safeguard controls and amplifier modules
Technical Specifications
| Specification | Detail |
|---|---|
| Model / Part Number | Honeywell C7027A1023 |
| Series / Type | Minipeeper UV Flame Sensor |
| Detection Method | Ultraviolet (UV) |
| Operating Temperature | 0°F to 215°F (-18°C to 102°C) |
| Pressure Rating | Up to 5 psi |
| Mounting | ½” sighting pipe with integral collar |
| Wiring | Two color-coded lead wires (blue and white) |
| Parallel Capability | Up to two detectors |
| Application Use | Boilers, burners, HVAC, combustion systems, flame safeguard |
Applications
The Honeywell C7027A1023 Minipeeper is widely used in:
Commercial and industrial boilers
HVAC burner systems and packaged units
Industrial furnaces and ovens
Combustion control systems requiring compact flame detection
Safety systems for oil, gas, and combination fuel burners
Installation and Best Practices
Mount securely using the built-in ½” threaded collar
Ensure the detector has a clear line of sight to the flame
Avoid exposure to ignition spark or external UV sources to prevent false readings
Connect wiring correctly to Honeywell flame safeguard controls (blue to “F”, white to “G”)
In high-temperature applications above 215°F, use a heat block accessory
For difficult flame sighting, two detectors may be connected in parallel (maximum of two)
Test for proper flame signal strength and response during system commissioning
Why Choose the Honeywell C7027A1023?
Trusted Honeywell Minipeeper flame detector with proven field reliability
Compact design ideal for space-restricted burner applications
Durable UV sensing technology ensures accurate flame presence detection
Compatible with a wide range of Honeywell burner management and flame safeguard controls
Provides enhanced safety and efficiency for combustion systems










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