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Kith, Michael [EHD] From: Tim Johnston <tim@acornonsite.com> Sent: Thursday, December 17, 2020 1:04 PM To: Kith, Michael [EHD]; Dwayne White Subject: RE: FW: Norweco TNT NSF245 certification 31390 State Route 33 Attachments: Norweco Standard 245 Final.pdf; Norweco Model TNT Specifications.pdf; Norweco TNT 500GPD.pdf CAUTION:This email is originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. Michael, The proposed ATU is Singulair TNT-500. This has a NSF listing at both 500 and 600 gpd. While it is called TNT-500 it is rated at both 500 and 600 gpd. The unit for this project needs a rating less than 500 gallons per day. I am proposing a TNT-500 with 500 gpd rating, since the design flow is under 500 gpd. Here is a statement from the manufacturer: Hi Tim, The Singulair TNT system is our NSF 245 system. I have attached that document. Our NSF standard 40 system, the Singulair 960 and the Singulair TNT only have 1 difference. The control panel on the 960 has a timer to run the aerator 30 minutes on, followed by a 30 minute off cycle and is adjustable in 5 minute increments. The TNT has a timer that runs the aerator 60 minutes on followed by a 60 minute off cycle and cannot be adjusted. The reason for the different GPD listings is because we originally certified both the 960 and TNT Singulair system at 500 GPD. We then recertified the same exact systems with NSF to 600 GPD to help in certain markets where there is a higher GPD per bedroom requirement. The system has the same model number Singulair TNT 500, but because there is no difference in components in tankage it stays the same but just has a certification for the 600 GPD in addition to 500. 1 hope this makes sense and if not feel free to give me a call with any more questions. Thank you, Drew Nickoli National Sales Representative Norweco, Inc. 220 Republic Street, Norwalk,Ohio U.S.A.44857 P: (419)668-4471 F:(419)663-5440 www.norweco.com The tank capacity 1300 gallons Tim Johnston, P.E. Acorn Onsite, Inc. 1