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and system monitoring
With a 700 mm length and M8×1 thread
GBS23HBMBWW
Direct‑fit mounting for straightforward installation
Bonaire Pressure Switch 130Pa – Suits MB3 & MB4 Units (5431201SP) Switch and system monitoringBonaire Pressure Switch 130Pa Suits MB3 & MB4 Units (5431201SP) This genuine Bonaire pressure switch (5431201SP) is designed for MB3 and MB4 gas ducted heater units, providing reliable airflow sensing to ensure safe burner operation. Factoryrated at 130Pa, it monitors combustion airflow and prevents ignition when insufficient pressure is detected. Built to OEM specifications, it maintains correct system performance and safety in Bonaire MB3 MB4
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