Modine Lodronic™ Hydronic Unit Heater – High-Efficiency Heating Solution Designed and engineered for use with high-efficiency boilers, the Modine Lodronic™ Hydronic Unit Heater delivers outstanding performance compared to standard hydronic unit heaters. As the first low-temperature hydronic water heater in the U.S., the Lodronic™ is ideal for electric and condensing boilers, geothermal systems, and air-to-water heat pump setups. With a compact design, smaller fan, and lower system amp draw, the Lodronic™ improves efficiency without sacrificing heating power—making it a smart choice for residential, commercial, and industrial spaces. 🔥 Key Features First Low-Temperature Hydronic Water Heater – Perfect for high-efficiency boiler systems Increased Efficiency – Smaller fan and motor reduce amp draw High-Temperature Output for reliable performance High-Efficiency Four-Row Coil for superior heat transfer Low Water Pressure Drop for smooth operation Compact & Lightweight Design – Easy to install and maintain 📌 For detailed hot water performance data, refer to the Installation Manual under the Manuals tab. ⚠️ California residents: see Prop 65 Warnings 📊 Performance Heating Capacity: 21,688 BTU Maximum Air Flow: 370 CFM Maximum Flow Rate: 2.2 GPM ⚡ Electrical Data Current Draw: 0.6 Amps 📏 Dimensions & Weight Product Weight: 32 lbs ✅ Certifications ETL Listed: Yes 🛡️ Warranty Information Parts Warranty: 2 Years