Description
The Laars Heating Systems A2000400 is a combination temperature and pressure gauge engineered as a direct OEM replacement for Laars boilers and hydronic heating systems. Designed to provide accurate, at-a-glance readings of both system temperature and pressure, this gauge helps technicians and homeowners maintain safe, efficient boiler operation and quickly identify conditions that may require service.
Key Features
- Genuine Laars Heating Systems OEM replacement part (SKU: A2000400)
- Combination temperature and pressure display in a single, compact gauge
- Engineered for direct fit on compatible Laars boilers and hydronic heating equipment
- Provides continuous, real-time monitoring of system operating conditions
- Helps detect over-pressure or over-temperature conditions before they become hazardous
- Durable construction designed to withstand the demands of residential and light-commercial hydronic systems
- Easy-to-read dial face for quick visual inspection during routine maintenance
Application
This gauge is intended for use with Laars boilers and hydronic heating systems requiring a factory-matched temperature and pressure monitoring instrument. Always verify compatibility with your specific Laars model before installation.
Why Choose an OEM Replacement?
Using a genuine Laars OEM gauge ensures proper calibration, accurate readings, and a secure fit — protecting your system warranty and maintaining peak performance. Avoid guesswork with aftermarket alternatives; the A2000400 is built to Laars’ exact specifications.







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