EG-55 200,000 BTU Natural Gas PIDN Steam Boiler Package, No Tankless Opening

Weil-McLain EG‑55 200 MBH Cast‑Iron Boiler Package — Proven Performance for Water or Steam Systems Engineered to deliver dependable heat in both residential and light commercial settings, the Weil‑McLain EG‑55 gas-fired cast-iron boiler offers up to 200 MBH input with an efficient 84% AFUE rating and compatibility for steam or hot water applications weil-mclain.com +14 weil-mclain.com +14 oswaldsupply.com +14 . Why specify the EG‑55? Solid cast-iron exchanger ensures longevity and consistent thermal performance. Automatic vent damper improves combustion efficiency and reduces standby fuel consumption plimptonhills.com +10 weil-mclain.com +10 afsupply.com +10 . Standard intermittent electronic ignition and stainless steel burners simplify servicing and enhance reliability justanswer.com +12 afsupply.com +12 afsupply.com +12 . Versatile configuration, suitable for both water and low-pressure steam systems with natural gas operation hvacdiscounters.com +3 weil-mclain.com +3 weil-mclain.com +3 . Key Specs Input rating: 200,000 BTU (approx. 167 MBH DOE hot water; 125 MBH net IBR steam) weil-mclain.com +15 ussupply.com +15 plimptonhills.com +15 . Efficiency: Up to 84% AFUE. Venting: Natural draft/chimney vent; includes automatic damper. Access & Service: Easy access to controls; insulated steel jacket; factory-wired ignition module ecomfort.com +9 afsupply.com +9 oswaldsupply.com +9 . Installation & Contractor Insights While the EG‑55 is compact enough for tight mechanical rooms, its gas line, venting, and steam-water piping applications necessitate professional installation. It supports dual-mode heating—water or steam—and includes low-water cutoff, pressure gauges, and relief valves for steam models hvacdiscounters.com +6 afsupply.com +6 weil-mclain.com +6 . Why It’s Contractor-Ready: Robust construction minimizes callbacks. Efficient operation reduces fuel use and operational costs. Serviceable design saves field time: quick access, reliable ignition, built-in diagnostics. Who It’s For: Contractors benefit from durable long-term installations, efficient service features, and reduced on-site maintenance. Homeowners recommended to have professional install; the permitted dosing for both water or steam systems ensures project flexibility.