This moisture indicator sight glass features a high-clarity borosilicate glass lens and a robust brass housing

Advanced Safety: Dual main automatic valves provide redundant gas shutoff and rigorous flame rectification monitoring

provided the appliance regulator is correctly set

avoid mounting modules inside metal equipment cabinets to ensure maximum 915MHz signal reach

Mitsubishi Electric R01E04272 Drain Sensor 30067439-890 This moisture indicator sight glassWhen you're troubleshooting a P5 error code or a 2503 fault on a City Multi or Mr. Slim unit, the Mitsubishi Electric R01E04272 Drain Sensor is the specific OEM replacement part required to restore system integrity. This capacitive liquid level sensor is engineered for high precision detection, operating on a 24 VAC circuit to monitor the condensate levels within the drain pan. Unlike standard mechanical floats, this solid state sensor measures