Little Sensor, Lotsa $$$
"I finally bit the bullet, got tired of turning off the beep beep alarm and ordered a new sensor for my water filter system…. and voila! the alarm quit beeping! It cost $500 but the new sensor was worth it!"
VIQUA 650580 UV Sensor for G, H, J, K, PRO10, PRO20, PRO30
Genuine VIQUA 650580 UV sensor designed for G, H, J, K, PRO10, PRO20, and PRO30 systems. Monitors UV lamp output and system status to support proper operation. Direct OEM replacement ensures accurate monitoring and full system compatibility.
The VIQUA 650580 UV sensor isdesigned for select VIQUA commercial and residential systems. It measures ultraviolet lamp output and communicates with the controller to confirm proper operation. This sensor helps operators identify declining lamp performance, supports maintenance planning, and ensures the system continues operating within manufacturer specifications.
Overall rating: 4.125 / 5 from 8 reviews.
Review topics: ["shipping","communication"].
"I finally bit the bullet, got tired of turning off the beep beep alarm and ordered a new sensor for my water filter system…. and voila! the alarm quit beeping! It cost $500 but the new sensor was worth it!"
"obtained UV sensor and bulb fast without issue"
"Great communication and shipping was fast - thank you."
"I can't even count how many of these I've had to replace, young ones. Really hoped the newer style would last, but failed again in less than 2 years. And these things aren't cheap. Need to find a whole new filter system, as this is an expensive weak point in the design."
"These things are expensive, but don't last long. Replacing it again, hoped this newer style would be an improvement. But died again in less than 2 years. Huge weakness in this filter's design."
"great transaction"
"Correct sensor, perfect fit, no problems for Viqua Pro 10 UV light chamber."
"A perfect transaction; professionally handled."
Q:
What does the VIQUA 650580 sensor monitor?
A:
It monitors UV intensity in compatible VIQUA systems so the controller can report operating conditions.
Q:
Which systems use the 650580 sensor?
A:
The catalog lists these compatible parts or systems: PRO10, PRO20, PRO30, UVMAX PRO10, UVMAX PRO20, UVMAX PRO30, UVMAX PRO50, UVMax G Plus, UVMax H Plus, UVMax J Plus, UVMax K Plus, H+ (650652), K+ (660002-R), PRO10 (650647), PRO20 (650653), PRO24-100 (660095-R), PRO24-186 (660086-R), PRO30 (650659), PRO50 (660003-R). Confirm the exact model number on your equipment before ordering VIQUA 650580 sensor.
Q:
Is this sensor the same as a UV lamp?
A:
No. The sensor measures system output; it does not generate UV energy and does not replace the annual lamp service part.
Q:
Can sleeve buildup cause a low sensor reading?
A:
Yes. Mineral film on the sleeve or sensor window, lamp age, water conditions, or component alignment can affect the reading. Follow the manual before assuming the sensor failed.
Q:
What should be inspected before replacing the sensor?
A:
Check lamp age, sleeve condition, sensor window, cable and connector seating, controller messages, and the approved troubleshooting sequence.
Q:
Why should the exact 650580 part number be used?
A:
Sensor calibration and electrical connections are system-specific; a visually similar sensor may not provide the correct signal or fit.