Excellent troubleshooting
"The service techs were great"
VIQUA 650703 UV Sensor for D, D4+, E, E4+, F, F4+, PRO7, PRO15
Sensor for VIQUA D, D4, D4+, E, E4, E4+, F, F4, F4+, PRO7, and PRO15 Model UV systems. This piece of equipment monitors UV output to ensure the correct UV exposure is applied.
Overall rating: 4.3333335 / 5 from 3 reviews.
Review topics: [].
"The service techs were great"
"not yet arrived"
"The sensor solved our problem with the UV sterilization unit."
Q:
What does the VIQUA 650703 UV sensor measure?
A:
It monitors UV output reaching the sensor location and allows a compatible controller to report changing operating conditions.
Q:
Which systems use the VIQUA 650703 sensor?
A:
The catalog lists: D4, E4, F4, PRO7, PRO15, UVMax D4 Plus, UVMax E4 Plus, UVMax F4 Plus, D4+ (650695-R), D4-V+ (660042-R), E4+ (650683), E4-V+ (660043-R), F4+ (650687), F4-V+ (660044-R). Confirm the exact model and part number on your equipment before ordering VIQUA 650703.
Q:
Can the sensor replace a scheduled lamp change?
A:
No. Continue replacing the lamp on schedule and servicing the sleeve; sensor readings complement routine maintenance.
Q:
What can cause a low UV reading besides the lamp?
A:
Sleeve deposits, changed water transmittance, sensor-window fouling, poor alignment, electrical issues, or an aging lamp can all affect the reading.
Q:
Does the sensor require calibration?
A:
Follow the system manual for inspection, service, and any calibration or replacement procedure. Do not assume a new sensor corrects every low-reading alarm.
Q:
What should I verify before ordering?
A:
Match part 650703 to the exact system and controller generation, then inspect the connector, cable route, sensor port, and sealing components.