RCHO4.12 USWF UV Disinfection System | Replacement Controller for USWF-4C101, 4C151, & 4CR2 American Plumber The EPA has set the

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RCHO4.12 USWF UV Disinfection System | Replacement Controller for USWF-4C101, 4C151, & 4CR2 American Plumber The EPA has set theThe USWF RCHO4. 12 is a replacement controller for the USWF 4C101, 4C151, & 4CR2 systems. USWF replacement controllers feature a splash proof case, a fully potted ballast to protect from possible water damage and to improve heat dissipation, and are backed by a three year, no hassle warranty. The controller has an LED display with a 4 digit lamp change reminder, along with an audible lamp out indicator. Failure to replace the UV lamp on schedule will