Hartell’s PlenumPlus Models A3 & A5 Commercial Grade series of condensate pumps are Plenum Rated and 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.”
Hartell’s PlenumPlus Condensate Pumps are the only plenum condensate pumps on the market that meet this standard. When safety counts, you can depend on PlenumPlus Commercial Grade Series of condensate pumps.