Surface mounted thermostats

Simplified circuitry, color coded for ease of service

Two anode rods for maximum corrosion protection Cabinet has bonderized undercoat with baked enamel finish

Bottom inlet and top outlet openings

Brass drain valve

Single panel control box

Foam insulation reduces costly heat loss

Lead-Free

Anode Rod For Maximum Corrosion Protection

Cabinet Has Bonderized Undercoat With Baked Enamel Finish

Zinc plated copper sheaths for longer life

Incoloy Elements provide long life and superior scaling resistance

Glasslined Tank specially developed for water heater use

Fusing-protects all elements, thermostats and internal wiring circuits against excess current flow

Surface mounted thermostats

Simplified circuitry, color coded for ease of service

Two anode rods for maximum corrosion protection

Cabinet has bonderized undercoat with baked enamel finish

Bottom inlet and top outlet opening

Single panel control box

Foam insulation reduces costly heat loss

Incoloy Elements provide long life and superior scaling resistance

Glasslined Tank specially developed for water heater use

Fusing-protects all elements, thermostats and internal wiring circuits against excess current flow

Surface mounted thermostats

Simplified circuitry, color coded for ease of service

Two anode rods for maximum corrosion protection

Cabinet has bonderized undercoat with baked enamel finish

Bottom inlet and top outlet opening

Single panel control box

Foam insulation reduces costly heat loss

Incoloy Elements provide long life and superior scaling resistance

Glasslined Tank specially developed for water heater use

Fusing-protects all elements, thermostats and internal wiring circuits against excess current flow

Surface mounted thermostats

Simplified circuitry, color coded for ease of service

Two anode rods for maximum corrosion protection

Cabinet has bonderized undercoat with baked enamel finish

Bottom inlet and top outlet opening

Single panel control box

Foam insulation reduces costly heat loss

Incoloy Elements provide long life and superior scaling resistance

Glasslined Tank specially developed for water heater use

Fusing-protects all elements, thermostats and internal wiring circuits against excess current flow

Surface mounted thermostats

Simplified circuitry, color coded for ease of service

Two anode rods for maximum corrosion protection

Cabinet has bonderized undercoat with baked enamel finish

Bottom inlet and top outlet opening

Single panel control box

Foam insulation reduces costly heat loss

Heating perfection and long-term protection

Every Ultra boiler is hydrostatically tested to ASME standards and test fired

Backed by Weil-McLain quality and a warranty that provides peace of mind

Unrivaled technical and field sales support

From North America's leading boiler manufacturer with over 135 years of proud history

Designed to operate in low temperature condensing applications

Outdoor reset and domestic hot water priority

Modulates with 5:1 turn-down ratio

High grade stainless steel burner features quiet operation

U-Control gives you the power for easy set-up and maintenance

Back-lit LCD display and simple programming buttons make entering and receiving information easy

Energy Star® Rated