Description
The Laars Heating Systems CA005400 is a genuine OEM outdoor air temperature sensor designed to work seamlessly with compatible Laars boilers and heating systems. By continuously monitoring outdoor ambient temperatures, this sensor enables your heating system to make intelligent, real-time adjustments — improving comfort, efficiency, and equipment longevity.
Why Outdoor Air Temperature Sensing Matters
Outdoor reset control is one of the most effective strategies for optimizing hydronic heating performance. When your boiler knows the outdoor temperature, it can modulate water temperature to match the actual heating load of the building — reducing short-cycling, lowering fuel consumption, and delivering more consistent indoor comfort.
Key Features
- Genuine Laars Heating Systems OEM replacement part
- Designed for outdoor ambient air temperature monitoring
- Supports outdoor reset and weather-compensating control strategies
- Direct-fit replacement for compatible Laars boiler models
- Durable construction suited for exterior installation environments
- Helps optimize boiler efficiency and reduce energy costs
Applications
- Residential and light commercial Laars boiler systems
- Hydronic heating systems utilizing outdoor reset control
- Replacement of failed or damaged OEM outdoor sensors
Installation Notes
Install the CA005400 on an exterior wall in a shaded location away from direct sunlight, exhaust vents, and other heat sources to ensure accurate ambient temperature readings. Always refer to the Laars system installation and service manual for wiring diagrams and specific mounting instructions.
Part Information
- Brand: Laars Heating Systems
- Part Number: CA005400
- Type: Outdoor Air Temperature Sensor
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