Viqua VP600 vs Viqua VP600M

Last updated: November 9, 2026

The Viqua VP600M is the better UV water purifier overall, rated 3.0 to 2.7. The Viqua VP600M leads on monitoring. The Viqua VP600 costs $505 less ($1,230 vs $1,735).

Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

Viqua VP600 vs Viqua VP600M

Higher rated
Viqua VP600M

The monitored VP600, for a large well home or small business where a failed dose has to stop the water. Buy the plain VP600 if someone checks the system regularly.

Amazon $1,735
$1,735

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every over 12 GPM UV water purifier; a clear win is highlighted. How we rank explains each one.

Factor weightViqua VP600MViqua VP600
Overall rating3.0/52.7/5
Value 25%42 $96.39 per GPM ($1,735, 18 GPM at 40 mJ/cm²)55 $68.33 per GPM ($1,230, 18 GPM at 40 mJ/cm²)
Certification 20%30 not NSF/ANSI 55 certified; flow rated at a stated 40 mJ/cm² dose30 not NSF/ANSI 55 certified; flow rated at a stated 40 mJ/cm² dose
Monitoring 20%100 UV intensity sensor, lamp failure alarm, shutoff valve, lamp change countdown40 lamp failure alarm, lamp change countdown
Lamp life 10%6 9,000 hour mercury lamp6 9,000 hour mercury lamp
Warranty 25%22 3-year warranty22 3-year warranty

Specifications

Viqua VP600MViqua VP600
Disinfection
Rated flow18 GPM at 40 mJ/cm²18 GPM at 40 mJ/cm²
NSF/ANSI 55NoNo
LampMercuryMercury
Lamp power58 W58 W
Lamp life9,000 hours9,000 hours
Monitoring
UV intensity sensorYesNo
Lamp failure alarmYesYes
Lamp change countdownYesYes
Shutoff valveYesNo
Build
Chamber304 stainless steel304 stainless steel
Ports1 in1 in
Maximum pressure125 psi125 psi
Voltage120 V120 V
Warranty3 years3 years

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