
Frequent plugging disrupted operations and inflated maintenance costs for the Madison Metropolitan Sewerage District (MMSD). The culprit? An outdated system unable to handle foreign material larger than 2 inches. By upgrading to Hydro-Thermal’s innovative Non-Obstructing Heater (NOH), MMSD eliminated emergency work orders and downtime while enhancing performance in its acid digester facility. The NOH's unique design allows materials up to 4 inches to pass through without clogging, significantly improving reliability and cutting costs. Installed with minimal modifications, the NOH quickly proved its worth and has been running flawlessly since November 2023. Reliability, performance and peace of mind in one heater.
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