55W UV Replacement Ballast, 100-120V Electronic Power Supply with Green & Red LED Indicators, 4-Pin Connector for Compatible 55W & 110W UV Water Treatment Systems

✔ Trusted by 200,000+ U.S. homeowners
✔ Over 10 years of proven water filtration experience

ER-SHDJ-BJYN
  • $59.00
    Unit price per 

Replacement Ballast for Bluonics 55W UV Water Systems

Compatible replacement ballast – Designed as a replacement electronic ballast for compatible Bluonics 55W and selected 110W UV water treatment systems using a standard 4-pin UV lamp connection.

LED system status indicators – Green and red LED lights provide quick visual confirmation of ballast and lamp operating status for easier system monitoring.

Stable electronic power supply – Supplies consistent power to compatible UV lamps to support reliable system operation and routine maintenance.

Easy installation with extended cord reach – Features a standard 4-pin lamp connector, a 3 ft 8 in inlet power cord, and a 1 ft 10 in outlet cord for convenient installation with compatible Bluonics UV systems.

Compatible replacement for Bluonics 55W and 110W Also compatible with EB-G55, AGUA SDE-055-X, QT5-940, and select HQUA 55W UV water treatment systems. Please verify connector type and electrical specifications before ordering.

Features

  • Smart flow-activated operation
  • Automatic 30-minute delay timer
  • Integrated water flow sensor
  • Green & red LED status indicators
  • Audible alarm for lamp and system monitoring
  • Standard 4-pin UV lamp connector
  • Compatible with Bluonics 55W UV systems
  • Plug-and-play replacement
  • Indoor installation

Specification

Details

Product Type

Smart Flow Switch UV Replacement Ballast

Compatible UV Lamp

55W

Input Voltage

100–120V AC

Frequency

50/60 Hz

Power Plug

US Plug

Lamp Connector

4-Pin

Flow Switch

Integrated Automatic Flow Sensor

Delay Timer

30 Minutes After Water Flow Stops

LED Indicators

Green & Red Status LEDs

Audible Alarm

Yes

Input Power Cord Length

3 ft 8 in (112 cm)

Output Lamp Cord Length

1 ft 10 in (56 cm)

Installation

Indoor Use Only

Compatible Systems

Compatible Bluonics 55W UV Water Treatment Systems

Package Includes

1 × Smart Flow Switch UV Ballast

Not Included

UV Lamp, Quartz Sleeve, UV Chamber, Mounting Hardware

New Updated design with indicator light and Audible alarm

  • Compatible with Bluonics 12 and 24 GPM, 55W and 110W UV
  • Voltage: 100-120V AC 50/60 Hz. Current: 40-55W
  • Style: 4 Prong Connection for Bluonics UV Bulb
  • Measurement: 3ft 8" Inlet cord , 1 ft 10" Outlet
  • Replacement for Bluonics 55W and 110W UV units
Every product is unique, just like you. If you're looking for a product that fits the mold of your life, the 55W UV Replacement Ballast, 100-120V Electronic Power Supply with Green & Red LED Indicators, 4-Pin Connector for Compatible 55W & 110W UV Water Treatment Systems is for you.

Inventory Last Updated: Aug 20, 2026

Customer Reviews

Based on 34 reviews
82%
(28)
12%
(4)
0%
(0)
0%
(0)
6%
(2)
S
Scott Petrie (Boise, Idaho, United States)

Bluonics 100-120V UV Ballast for 55W 12 GPM Ultraviolet UV Light Water Sterilize with Green & Red Indicator- 4 Prong

A
Alvin Guzmán (Adjuntas, Puerto Rico)
Excelente

muy buen producto

C
Calvin Shaffer (Dayton, Ohio, United States)

Bluonics 100-120V UV Ballast for 55W 12 GPM Ultraviolet UV Light Water Sterilize with Green & Red Indicator- 4 Prong

S
Stormi

Good company! I was missing some items and they sent them right away and made it right!
Thank you!

J
Joseph P Colliton (Gaylord, Michigan, United States)
Customer service very helpful

Ordered this item in error. Customer service was great in authorizing the return and granting credit. Thanks.

L
Linda

Works perfectly

H
Howard Garrett (Freeland, Washington, United States)
It works.

The old one failed. This new one has worked fine since I installed it a week ago.

J
Jeffrey Folb
Replacement

Quick replacement ballast.

H
Harry E West (Waterford Works, New Jersey, United States)
Bluonics is a pleasure to deal with!

Customer service on the chat was very helpful when they answered. And the products were fairly easy to install

R
Ron Gelster (Chester, Virginia, United States)

Great service and product