203EN 50,000 BTU Output, Gas Fired, Chimney Vented, Cast Iron Water Boiler (Nat Gas)

Heating equipment must be installed, commissioned, and serviced by a licensed and qualified professional in accordance with manufacturer instructions, applicable codes, and industry standards. Manufacturers do not accept warranty or technical support requests from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for the installation.

Note: Product Title reflects this boiler's Net AHRI BTU Rating

50,000 BTU Output, Gas Fired, Chimney Vented, Cast Iron Water Boiler w/ Grundfos Pump (Nat Gas)

• The top selling gas boiler in America, updated and improved!
• Made in America
• Designed to be an easy replacement boiler for existing installations

For decades, the Series 2 has been the industry benchmark for cast iron gas-fired boilers. Its time proven design blends a long lasting cast iron heat exchanger with a heavy-duty steel base and high quality boiler controls to provide exceptional value for the homeowner. Heating professionals across the country have relied on the Series 2 to provide their customers years of comfortable, low maintenance operation making it an exceptional value in your home.


Features:

• 84% AFUE efficiency upgrade
• Meets DOE-2021 government requirements
• Chimney vented
• Standard tapping locations and intuitive electronic controls reduce installation costs
• Direct replacement for thousands of existing boiler installations
• Concealed, protected controls and components
• Lifetime limited warranty

Control Highlights:

• INCLUDES pre-installed IDL-1200 low water cut off
• Easy-to-use three button operation and optional adjustments
• Two pump relays for an additional heating zone or indirect water heater
• Grundfos Circulator Pump