Description
High performance filtration replacement UV Ballast to Suit the H7-90-AT UV System and many others.
Suitable for 33W to 120W Lamps including H7-90-Lamp, GH0843T5L, GH0436T5L, GT7-16K-Lamp
The lamp lead is fitted with a standard 4 Pin Lamp connection socket and cover cap.
The hard plastic cover cap is suitable for systems that have a thimble lock nut 33mm diameter or smaller
Supplied with a 240V 3 pin plug and lead to connect power to the ballast.
Lamp Failure Alarm
Countdown timer for UV lamp replacement
Ballast Only – System not included
Please Note: This ballast is not waterproof. It has a 12-month warranty, however, water damage is not covered by warranty.
Please ensure the ballast is kept dry at all times and is mounted higher than the filtration system.
UV System Maintenance Notes:
Ultraviolet systems are rated based on a dosage level of UV-C radiation into the water (mJ/cm²), with 30mJ/cm² being the standard level of disinfection and a minimum dose of 40mJ/cm² required to comply with Australian Drinking Water Guidelines.
Our lamps are rated with a 9000 hour (1 year) lifespan, after which point the lamp will naturally degrade and the level of radiation produced by the lamp cannot be guaranteed.
The UV lamp sits inside a quartz thimble, which protects the electrical components of the lamp from making contact with the water. We specifically use quartz (fused silica) for this application because it is strong, exhibits thermal resistance, and has excellent UV transmission properties.
However, over time, metal ions fused within the silica structure of the quartz thimble interfere with the UV-C radiation produced by the lamp, which reduces the UV transparency of the glass and causes it to become fragile. This process is called solarization.
Tannin, bio-film, algae, and scale can also build up on the outside of the glass thimble, further preventing ultraviolet light produced by the lamp from penetrating through the thimble, and impairing the system’s ability to sanitize the water passing through.
We recommend replacing the lamp every 12 months, and the thimble every 1-2 years and thimble o-rings every time the thimble or sleeve is removed for cleaning.
Part number: H7-90-PS / ZUM1-800-120
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