Indirect-Fired Water Heater

Models: Gold PLUS 30, Gold PLUS 40/ Ultra PLUS 40, Gold PLUS 60/Ultra PLUS 60, Gold PLUS 80/Ultra PLUS 80, PLUS 100, PLUS 110, PLUS 119

• Tank-within-a-tank design - corrugated stainless steel inner tank; steel outer tank
• Negligible stand-by loss - less than 1/2°F per hourZone control description: Controllers for Circulator and Zone Valve Systems
• More Hot Water - Weil-McLain indirect-fired heaters produce twice the peak flow of a tankless coil; at least 50% more than a comparably sized direct-fired gas water heater; three times as much as an electric unit
• Unique self-cleaning design resists liming

ULTRA

WITH PhD (Precision Hydronic Data)

Innovative
Innovative combination of appearance, intelligence and technology. 

High Efficiency
Over 92% AFUE and 98% for low temperature applications. 

Attractive
The Ultra boiler features a new attractive design for installation in any setting.

Intelligent
Features PhD Technology - an intelligent system that delivers Precision Hydronic heating and hot water needs while maximizing efficiency by measuring and responding to the Data parameters of your heating system.

High technology
Cast mono block aluminum heat exchanger.  Gas valve, blower and venturi technology that constantly maintains optimal air and fuel ratio at all firing rates.

CGA

Weil-McLain Control Module and Ignition Control
Designed for Weil-McLain...mistake-proof wiring...diagnostic indicator lights.

Compact Design
Saves valuable living space.  Boiler is only 28 inches high, 23 inches deep.

Stainless Steel Burners
Burners provide fixed primary air... no air adjustment required.  Provide quieter ignition, longer life, and improved combustion.

Wiring Harness
Plug-in connectors that attach only one way to assure mistake-proof wiring for installation and component replacement.

Easy Power Hook-up
J-box located on outside of boiler with pre-stripped wires.

Convenient Servicing
Accessible controls...control module with diagnostic indicator lights... simplified wiring... vertical flueways...top cleaning.

Factory Tested
Every boiler is factory tested to assure reliable operation.

Improved Parts Kits
Parts furnished in convenient kits.

Limited Lifetime Warranty
Covers cast iron sections.

Multiple Boiler Systems
Use two or more high-efficiency CGa boilers in place of one large-capacity boiler to meet the space heating requirements of larger buildings.

Cast Iron Sections with Elastomer Sealing Rings
Boiler sections are made of durable cast iron for strength, efficiency and long life.  Modern elastomer sealing rings in the port openings assure a permanent watertight seal.

Temperature and Pressure Gauge
New large-faced gauge features easy installation, increased accuracy and easy monitoring.
 
Automatic Vent Damper
Prevents heat from escaping up the chimney when the burners are not operating. Saves fuel.  Standard equipment on SPDN, SPDL and PIDN models.

CGI

High-Grade Stainless Steel Burners
European-designed, high-grade stainless steel burners for quiet ignition, longer life, and improved combustion.

Weil-McLain Designed Control Module and Ignition Control
Designed for Weil-McLain...mistake proof wiring...diagnostic indicator lights.

Cast Iron Sections with Elastomer Sealing Rings
Boiler sections are made of durable cast iron for strength, efficiency and long life.  Modern elastomer sealing rings in the port openings assure a permanent watertight seal.

Temperature and Pressure Gauge
New large-faced gauge features easy installation, increased accuracy and easy monitoring.

Compact Design
Saves valuable living space.  Boiler is only 28 inches high, 23 inches deep.  Power venting eliminates the need for a draft hood.

Wiring Harness Wiring Harness
Plug-in connectors that attach only one way to assure mistake-proof wiring for installation and component replacement.

Easy Power Hook-Up
J-box located on outside of boiler with pre-stripped wires.

Convenient Servicing
Accessible controls...control module with diagnostic indicator lights...simplified wiring...vertical flueways...top cleaning.

Factory-Tested
Every boiler is tested at the factory to assure reliable operation.

Improved Parts Kits
Parts furnished in convenient kits.

Limited Lifetime Warranty
Covers cast iron sections.

Multiple Boiler Systems
Use two or more high-efficiency CGi boilers in place of one large-capacity boiler to meet the space-heating requirements of larger buildings. 

Sealed Combustion
Reduces energy usage by eliminating air infiltration.

Compact Design
Saves valuable living space.  Boiler is only 28 inches high, 23 inches deep.  Power venting eliminates the need for a draft hood.

High-Grade Stainless Steel Burners
European-designed, high-grade stainless steel burners for quiet ignition, longer life, and improved combustion.

Wiring Harness
Plug-in connectors that attach only one way to assure mistake-proof wiring for installation and component replacement.

Weil-McLain Designed Control Module and Ignition Control
Designed for Weil-McLain...mistake proof wiring...diagnostic indicator lights.

Cast Iron Sections with Elastomer Sealing Rings
Boiler sections are made of durable cast iron for strength, efficiency and long life.  Modern elastomer sealing rings in the port openings assure a permanent watertight seal.

Easy Power Hook-Up
J-box located on outside of boiler with pre-stripped wires.

Convenient Servicing
Accessible controls...control module with diagnostic indicator lights...simplified wiring...vertical flueways...top cleaning.

Factory-Tested
Every boiler is tested at the factory to assure reliable operation.

Improved Parts Kits
Parts furnished in convenient kits.

Limited Lifetime Warranty
Covers cast iron sections.

Multiple Boiler Systems
Use two or more high-efficiency CGs boilers in place of one large-capacity boiler to meet the space-heating requirements of larger buildings.