We use cookies to provide you with a better experience. By continuing to browse the site you are agreeing to our use of cookies in accordance with our Cookie Policy.
CREST boilers with Hellcat Combustion Technology feature an O2 sensor exclusively designed for a condensing, hydronic boiler, along with Lochinvar’s SMART TOUCH operating control.
Designed to integrate seamlessly into an existing bath environment, the system features a ceiling-mounted single self-contained module that can be installed without access from above.