Caleffi 557204 Pressure Gauge 0-4 Bar Back Connection 1/4″ is a replacement pressure monitoring component used in compatible heating and HIU systems. Designed with a back connection 1/4″ fitting and a 0-4 bar pressure range, it is suitable for servicing, maintenance, and repair work where accurate pressure reading is required.
Pressure gauges are important for checking system condition, supporting fault diagnosis, and helping engineers monitor operating pressure during maintenance work. Replacing a worn or faulty gauge can help restore clear and reliable pressure readings across compatible systems.
Suitable for engineers, contractors, and trade buyers looking for dependable Caleffi spare parts for professional heating system maintenance.
Key Features
- Genuine-style replacement pressure gauge for compatible Caleffi systems
- Pressure range: 0-4 bar
- Back connection 1/4″
- Suitable for pressure monitoring and servicing
- Used in compatible heating and HIU systems
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