10/22/2026
Introducing the ECO Tec Series 3 boiler from Weil-McLain. High efficiency, with installation and service enhancements built around the needs of today’s contractors.
🔹 Smaller, lighter design for easier handling and installation
🔹 Improved service access with a lighter, removable front door, optimized top gas connections and an optional taller pedestal
🔹 Simplified maintenance with a clip-on sensor design that allows sensor replacement without draining the boiler
🔹 Streamlined parts and connections with standardized intake adapters and backwards-compatible service components shared across Weil-McLain models
With a durable stainless steel firetube heat exchanger, up to 95% AFUE and available heat-only and combi models, ECO Tec Series 3 combines high-efficiency performance with practical improvements that help contractors work more efficiently.
Learn more: https://ow.ly/H9pu5100bbW