EG-45 PIDN Steam WTO (S6) Boiler, With Tankless Opening

Weil‑McLain EG‑45 PIDN Steam WTO (S6) Boiler – Heavy‑Duty Steam & Water Service The EG‑45 PIDN is a versatile 150 MBH cast‑iron boiler, suitable for steam or hydronic (water) systems. Engineered for both residential and light commercial use, it delivers up to 84% AFUE and a net IBR capacity of 124 MBH in water mode or 110 MBH in steam mode supplyhouse.com +7 weil-mclain.com +7 oswaldsupply.com +7 . ⚙️ Core Contractor‑Level Features Cast‑Iron Block Construction — Sectional design rated for 50 PSIG; features a horizontal‑to‑vertical draft hood and insulated steel jacket weil-mclain.com +4 acwholesalers.com +4 ecomfort.com +4 . Fuel‑Saving Automatic Vent Damper — Reduces heat loss between cycles (provided standard across the EG line) unitedsupplyusa.com +13 weil-mclain.com +13 afsupply.com +13 . Natural‑Gas Intermittent Electronic Ignition — Equipped with stainless steel burners, combination gas valve, UCM ignition control, and a spill switch weil-mclain.com +7 weil-mclain.com +7 afsupply.com +7 . Steam/Water Adaptability — Ready for either application; steam setup includes 15 PSI relief valve, gauge, siphon, low‑water cutoff; water mode includes 30 PSI relief valve, gauge, high‑limit control, and built‑in air separator winstelcontrols.com +12 weil-mclain.com +12 afsupply.com +12 . Service‑Friendly Design — Plug‑in wiring harness, rollout thermal fuse, and front‑access components reduce service time oswaldsupply.com +4 weil-mclain.com +4 supplyhouse.com +4 . Tankless Coil Provision — Left‑end opening for optional internal coil for indirect DHW; coil kits available separately . ???? Specs Table Spec Details Input Capacity 150 MBH Net Output (Water/Steam) 124 MBH / 110 MBH Annual Fuel Utilization Eff. 84 % Pressure Rating 50 PSIG Venting 6″ ID chimney, 20 ft min Ignition & Controls Intermittent electronic, UCM module Weight ~505 lb Warranty 20‑yr exchanger/2‑yr parts (water); 10‑yr exchanger for steam oswaldsupply.com +2 weil-mclain.com +2 oswaldsupply.com +2 ecomfort.com +1 acwholesalers.com +1 supplyhouse.com +2 weil-mclain.com +2 afsupply.com +2 ???? Installation Highlights Venting Requirements: Needs 6″ ID chimney; damper improves idle efficiency weil-mclain.com +10 weil-mclain.com +10 unitedsupplyusa.com +10 . Fuel Configuration: Natural gas only; no propane conversion acwholesalers.com +2 winstelcontrols.com +2 afsupply.com +2 . Add‑Ons: Tankless coil slot is unpopulated—coil kit optional weil-mclain.com . ✅ Why Contractors Specify It Build Quality: Rugged cast‑iron withstands frequent cycling & high loads. Efficiency & Savings: Auto damper and UCM ignition save fuel and reduce operating costs. Serviceability: Front‑access panels and plug‑in wiring reduce downtime. Versatility: Suitable for steam or hydronic systems; option for tankless DHW integration. Field‑Friendly Design: Sectional construction allows fit through tight spaces. ???? Additional Support Need CAD drawings, spec sheet, line‑item pricing, or assist with system design? I can supply manufacturer resources or performance curves on request. Summary: The EG‑45 PIDN is a robust, flexible, and efficient boiler option, ideal for contractors requiring long-lasting performance, easy service, and installation adaptability.