Hartell's Models A3 & A5 have been tested to, and yielded results that fell within the acceptance criteria of UL Standard 2043, Third Edition, "Fire Test for Heat and Visible Smoke Release for Discrete Products and Their Accessories Installed in Air-Handling Spaces."
Quick connect; serviceable check valve and reversible reservoir with standard provisions for low level inlets give you more installation options and easier maintenance.
Oil and chemical resistant high temperature rated materials with robust design elements are used to provide a new standard of quality and long service life.
These pumps provide three new levels of motor bearing protection from steam and water splash to ensure maximum motor life.
A3/ A5 series pumps are equipped with a new check valve design and improved fluid flows to make these pumps quiet and reliable.