Replacing an older cast iron boiler? The right replacement matters, especially in high-temperature hydronic systems. The GV90+ combines the reliability of cast iron with #HighEfficiency, making it a strong solution for replacement applications. With the right boiler and settings, you can achieve the efficiency your system is designed to deliver. Find your local Weil-McLain distributor: lnkd.in/gTa3sMjk #WeilMcLain #HydronicHeating #HeatPumpReady