Time proven cast iron design for durability and reliability

Optimum venting flexibility for homes with existing chimneys

Industry standard tapping locations, allows easy, direct replacement for thousands of existing boiler installations

Solid, reliable, American-made cast iron heat exchanger, designed to promote turbulent water flow within the section for efficient heat transfer

Consists of the Intelligent Hydronic Control and IQ Option Panel

Intuitive self-diagnostics

Combines high limit, relay and ignition functions into a single module

Two customizable integrated switching relays for easy addition of additional heating zone or indirect water heater

Energy saving thermal purge, which works by circulating residual warm water (140 Deg or above) in the heating system before firing the boiler

Enables the easy plug and play installation of optional features such as outdoor reset, LWCO and high limit

Limited Lifetime Warranty

Time proven cast iron design for durability and reliability

Optimum venting flexibility for homes with existing chimneys

Industry standard tapping locations, allows easy, direct replacement for thousands of existing boiler installations

Solid, reliable, American-made cast iron heat exchanger, designed to promote turbulent water flow within the section for efficient heat transfer

Consists of the Intelligent Hydronic Control and IQ Option Panel

Intuitive self-diagnostics

Combines high limit, relay and ignition functions into a single module

Two customizable integrated switching relays for easy addition of additional heating zone or indirect water heater

Energy saving thermal purge, which works by circulating residual warm water (140 Deg or above) in the heating system before firing the boiler

Enables the easy plug and play installation of optional features such as outdoor reset, LWCO and high limit

Limited Lifetime Warranty

Time proven cast iron design for durability and reliability

Optimum venting flexibility for homes with existing chimneys

Industry standard tapping locations, allows easy, direct replacement for thousands of existing boiler installations

Solid, reliable, American-made cast iron heat exchanger, designed to promote turbulent water flow within the section for efficient heat transfer

Consists of the Intelligent Hydronic Control and IQ Option Panel

Intuitive self-diagnostics

Combines high limit, relay and ignition functions into a single module

Two customizable integrated switching relays for easy addition of additional heating zone or indirect water heater

Energy saving thermal purge, which works by circulating residual warm water (140 Deg or above) in the heating system before firing the boiler

Enables the easy plug and play installation of optional features such as outdoor reset, LWCO and high limit

Limited Lifetime Warranty