Davey Microlene UV24 UV water disinfection unit

Davey

Davey Microlene UV Disinfection Units – UV24 to UV250

$1,992.95incl. GST
Model

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Brand
Davey
Type
UV Units
SKU
UV80
Stock
In stock

UV treatment

UV disinfection, UV24 to UV250

Five UV-only units cover 23 to 208 L/min at a 30 mJ/cm² UV dose. No chemicals are added, so the taste, smell and colour of the water don't change.

  • Filter first

    Fit at least 20 micron filtration before the UV, and 1 micron where Giardia or Cryptosporidium are a concern. Filters aren't included.

  • Lamp reminder

    The UV24 to UV151 controllers have a lamp change reminder. The UV250 alarms if the lamp fails.

  • No chemicals

    UV treats micro-organisms without changing the water's taste, smell or colour.

UV24
23 L/min, ¾" MNPT, 22W lamp
UV57
57 L/min, 1" MNPT, 50W lamp
UV80
79 L/min, 1" MNPT, 42W lamp
UV151
151 L/min, 1½" MNPT, 101W lamp
UV250
208 L/min, 2" BSP, 130W lamp
Flows rated at
30 mJ/cm²

Looking after the UV

  • UV24, UV57 and UV80: replace the lamp every 9,000 hours. UV151: every 10,000 hours. UV250: once a year.
  • UV250: clean or replace the quartz sleeve every 3 to 6 months, depending on water quality.
  • Keep the water within Davey's limits: hardness 120 mg/L, iron 0.3 mg/L, manganese 0.05 mg/L, tannins 0.1 mg/L, turbidity 1 NTU, UVT above 75%.

Fit check

Is it right for my home?

A quick check before you buy.

  • Pick by peak flow

    Good fit

    UV24 for low-flow setups, UV57 for small households, UV80 for medium homes, UV151 for large homes, UV250 for high-flow sites.

  • You already have filters

    Good fit

    These are UV units only. Fit at least 20 micron filtration before them.

  • Pressure and temperature

    Good fit

    69–860 kPa. Water 2–40°C (UV250: 8–40°C).

  • Hard, iron-rich or stained water

    Not this one

    Above Davey's limits (hardness 120 mg/L, iron 0.3 mg/L, manganese 0.05 mg/L, tannins 0.1 mg/L, UVT under 75%), the water needs treating before the UV.

Specs

Specs and what's in the box

Models
UV24, UV57, UV80, UV151, UV250
Flow at 30 mJ/cm²
UV24 23, UV57 57, UV80 79, UV151 151, UV250 208 L/min
Connections
UV24 ¾" MNPT, UV57 and UV80 1" MNPT, UV151 1½" MNPT, UV250 2" BSP
Lamp power
UV24 22W, UV57 50W, UV80 42W, UV151 101W, UV250 130W
Lamp life
9,000 hours (UV151: 10,000 hours, UV250: change yearly)
Supply voltage
90–265V (UV250: 230–240V)
Pressure
69–860 kPa
Water temperature
2–40°C (UV250: 8–40°C)
Pre-filtration
At least 20 micron. 1 micron for Giardia and Cryptosporidium
Water limits
Hardness 120 mg/L, iron 0.3 mg/L, manganese 0.05 mg/L, tannins 0.1 mg/L, turbidity 1 NTU, UVT above 75%
Replacement sleeves
UV24SLEEVE, UV57SLEEVE, UV80SLEEVE, UV151SLEEVE
WaterMark
UV24 to UV151: WM 3497 Lic. 023355
Warranty
10 years chamber, 3 years electronics, 12 months lamps and sleeves

What's in the box

  • UV24 to UV151: UV chamber, controller, mounting brackets and power lead with 10A plug
  • Filters aren't included

Common questions

Which model do I need?

Size it by peak flow at 30 mJ/cm²: UV24 23 L/min, UV57 57 L/min, UV80 79 L/min, UV151 151 L/min, UV250 208 L/min.

What filtration goes before it?

At least 20 micron filtration, and 1 micron where Giardia or Cryptosporidium are a concern. Filters aren't included.

How often do I change the lamp?

UV24, UV57 and UV80 every 9,000 hours. UV151 every 10,000 hours. UV250 once a year.

What about the quartz sleeve?

On the UV250, clean or replace it every 3 to 6 months depending on water quality. Genuine Davey sleeves for the UV24 to UV151 are UV24SLEEVE, UV57SLEEVE, UV80SLEEVE and UV151SLEEVE.

What water quality does it need?

Hardness up to 120 mg/L, iron 0.3 mg/L, manganese 0.05 mg/L, tannins 0.1 mg/L, turbidity 1 NTU and UVT above 75%.

What warranty comes with it?

10-year manufacturer's warranty on the chamber, 3 years on the electronics and 1 year on lamps and sleeves.

Still not sure?

Tell us about your home and water supply and we'll point you to the right system.

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Full product details

Read the full description

Davey Microlene UV units are UV-only chambers for rural and tank water. They treat water without chemicals or changing its taste.

At the 30 mJ/cm² dose, the UV24 is rated at 23 L/min, the UV57 at 57 L/min, the UV80 at 79 L/min and the UV151 at 151 L/min. The UV250 is the largest, at 208 L/min with two lamps, 2" BSP ports and a 230–240 V supply. The UV24 to UV151 alarm when the lamp is due; the UV250 alarms if a lamp fails.

We recommend two-stage pre-filtration down to 1 micron ahead of the UV. Replace the lamp yearly, cleaning the quartz sleeve each time (UV250: every 3–6 months, depending on water quality). Manufacturer's warranty: 10 years on the chamber, 3 years on the electronics and 1 year on lamps and sleeves.

We're NZ owned in Te Rapa, Hamilton. If it's not right, we'll put it right.

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