EG-55 146,000 BTU Natural Gas Water Boiler Package, No Tankless Opening

Weil‑McLain EG‑55 Gas-Fired Cast Iron Water Boiler – 146 MBH | Up to 84 % AFUE This NG‑fired cast iron boiler, part of the proven EG Series 6, offers high-performance heating for residential or light commercial use. Certified for both hot water and steam systems, it features a robust design and built-in efficiencies ideal for demanding jobsite requirements. ⚙️Why It’s a Contractor’s Choice Cast Iron Durability: Engineered to last, ensuring system longevity under heavy-duty use. weil-mclain.com +2 weil-mclain.com +2 weil-mclain.com +2 ecomfort.com +6 weil-mclain.com +6 weil-mclain.com +6 Effective Performance: Delivers up to 84 % AFUE, with either water or steam outputs up to 169 MBH. powerequipmentdirect.com +5 weil-mclain.com +5 weil-mclain.com +5 Automatic Vent Damper: Minimizes standby losses, boosting seasonal efficiency. weil-mclain.com +8 weil-mclain.com +8 afsupply.com +8 Service-Friendly: Controls are easily reachable, simplifying maintenance and system checks. weil-mclain.com +2 weil-mclain.com +2 afsupply.com +2 ????Key Specs Input Rating: 146,000 BTU/hr (model EG‑55) weil-mclain.com +9 weil-mclain.com +9 ussupply.com +9 Efficiency: Up to 84 % AFUE depending on application acwholesalers.com +3 weil-mclain.com +3 afsupply.com +3 Water & Steam Capacities: Water DOE 169 MBH / Steam DOE 166 MBH acwholesalers.com +3 weil-mclain.com +3 ecomfort.com +3 Venting Requirement: 7″ ID chimney vent, natural draft afsupply.com +1 powerequipmentdirect.com +1 Weight: Approximately 585 lb (knockdown version) weil-mclain.com +9 afsupply.com +9 powerequipmentdirect.com +9 ???? Installation Overview Best installed by a licensed plumber or HVAC technician to ensure safe gas piping, venting, and compliance with all codes. Configured for natural gas with intermittent electronic ignition and standard draft hood system. weil-mclain.com +9 weil-mclain.com +9 afsupply.com +9 Equipped with pilot burner, automatic vent damper, insulated jacket, and pressure relief valve rated at 30 PSI. powerequipmentdirect.com +4 afsupply.com +4 weil-mclain.com +4 ✅ Contractor & DIY Insights Professional Contractors Built to withstand tough jobsite conditions with lasting reliability. Vent flexibility and efficient heat retention help meet client expectations and reduce callbacks. Skilled DIY Homeowners Although user-friendly, still requires professional-level attention to gas and vent work. Ideal for experienced DIYers equipped with proper tools and permits for optimal performance and safety.