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Master Water

MWC-E10 4 Pin UV Replacement Lamp

(2 reviews) Write a Review
SKU: MWC-E10-4Pin
$43.00
$43.00
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Feed ID #1:
2
spec_Length:
450mm / 17.71" (Not including pins)
spec_Wattage:
22
spec_Base Type:
4 Pin One End
spec_Wiring:
Preheat
spec_Rated Life:
12 Months

In stock - 10+ available

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Why we might cost a little more

We've heard over and over the horror story of buying a cheap bulb from major online marketplaces only to be stuck with a burnt-out bulb and no support 3 months later. When you spend your money with us, you get a great product, warranty, and UV experts who can help keep your water safe.

  • Manufactured to Spec: Engineered for OEM performance.

  • 1 Year Warranty: Quality products, built to last.

  • Expert Support: Real solutions from UV professionals.


Free & Fast Shipping

Orders over $49.99

Real Support

Knowledgeable UV Experts to help

Top Quality Parts

Highest Quality parts - guaranteed.

5 Star Reviewed

Find out why our customers love us.


This is a MWC-E10 4 Pin compatible UV replacement lamp for Master Water Conditioning UV systems. This uv lamp is guaranteed to work in your Master Water Conditioning system. When you purchase from us, you are guaranteed a quality replacement part that is designed to keep your water safe. We support our products and will gladly assist you with any pre or post purchase questions. All of our products carry a 1 year warranty to give you peace of mind with your purchase. If you need a quartz sleeve for this system you can find it here: MWC-E10 Quartz Sleeve

 

What systems does this UV bulb fit?

MWC-E10 UV System with a 4 pin Bulb


This lamp goes by the following part numbers:

MWC-E10 

 

Master Water Conditioning ® is the registered trademark of Master Water Conditioning. ®, the manufacturer of the MWC® ultraviolet systems. WaterFiltrationSupply.com is not affiliated or in association with Master Water Conditioning®. We do not sell originally branded MWC® products. WaterFiltrationSupply.com however sells different brands of ultraviolet lamps and replacement parts that are compatible with MWC® systems and are of equal or greater quality.

Specifications

Length 450mm / 17.71" (Not including pins)
Wattage 22
Base Type 4 Pin One End
Wiring Preheat
Rated Life 12 Months
Purchase With Confidence

1 - Year UV Bulb & Quartz Sleeve Warranty

We stand behind our ultraviolet replacement bulbs and quartz sleeves with warranty protection against defects in materials and workmanship.

Dependable Products. Straightforward Protection.

Our warranty is valid for one year from the product’s installation date when the product is properly installed, used under normal operating conditions, and installed in an appropriate compatible system.

What’s Covered
  • Defects in product materials or workmanship under normal use.
  • Premature product failure following proper installation.
  • Failure while used in the appropriate system and recommended operating environment.
  • Replacement of the qualifying UV bulb or quartz sleeve itself.
What’s Not Covered
  • Damage caused by misuse, abuse, accident, neglect, or unauthorized modification.
  • Improper installation or use outside the recommended operating conditions.
  • Normal wear, including the expected reduction in UV output over a bulb’s service life.
  • Use in third-party systems that are not compatible with the purchased product.

Important Warranty Terms

This warranty applies only to the original purchaser and is not transferable.

The warranty covers replacement of the qualifying product itself. Installation costs, removal costs, labor charges, and incidental or consequential damages are not covered.

Shipping charges for a replacement product may apply.

Need to Make a Warranty Claim?

Contact our team with the information below. We will review your claim and help determine the appropriate next step.

1 Provide Your Order Number

Include the order number from the original purchase or warranty registration.

2 Describe the Issue

Tell us what happened, when the product was installed, and how it is being used.

3 Include Supporting Photos

Photos of the product, connections, system, and any visible damage can help us review the claim.

Start a Warranty Claim

Warranty eligibility is subject to verification. Replacement shipping charges may apply.

2 Reviews

  • 5
    Wonderful service and quick...

    Posted by KATHIE DEANDREA on 30th Sep 2025

    We are so pleased with the whole process; ordering, purchasing and receiving!!! Thank you!

  • 5
    4pin light...

    Posted by David Heron on 25th Nov 2022

    Perfect fit

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