Viessmann VR1-245 Oil Fired Cast Iron Water Boiler 245K BTU 87.1% AFUE,
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Viessmann VR1-245

Viessmann VR1-196 Oil Fired Cast Iron Water Boiler 196K BTU 87%,

Viessmann VR1-196

Viessmann VR1-161 Oil Fired Cast Iron Water Boiler 161K BTU 87%,
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Viessmann VR1-161

Viessmann VR1-140 Oil Fired Boiler Water Cast Iron 87% AFUE 140k BTU,
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Viessmann VR1-140

Viessmann Vitorond 100 Comfort VR1 Oil Fuel Cast Iron Shell Boiler, 87% AFUE, 105000 BTU Input, 92000 BTU Output

• Extremely durable cast iron heat exchanger for maximum reliability and service life
• Integrated stainless steel combustion chamber insert for clean and efficient combustion
• Thick 3-1/2" insulation for extremely low standby losses and fuel savings
• Easy access, full-swing left-hinged or right-hinged combustion chamber door
• Low maintenance cost with service friendly burner and easy-to-clean flue gas passageways
• Spacious, wet-base water walls prevent deposits, reduce stress and increase boiler life
• Additional energy savings and reduced emissions with modulating boiler water temperatures when using Vitotronic control options,
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  Viessmann VR1-105

Buderus G234X/55 Natural Gas Fired Cast Iron Water Boiler 228K BTU Input 188K BTU Output 84% AFUE
The Buderus G234X is a larger gas fired boiler designed for medium to large sized homes. The included burner pre-mixes gas and oxygenated air to the optimal level, resulting in a clean burning flame that reduces emissions and waste buildup. The burner's tray is fully removable, resulting in an easy cleaning process and simplified routine maintenance. Fully field-convertible from natural gas to liquid propane operation, the G234x is perfect for a large variety of homes.,
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Buderus G234X/55

Viessmann Vitorond 100 Comfort VR1 Oil Fuel Cast Iron Shell Boiler, 87% AFUE, 91000 BTU Input, 80000 BTU Output

• Extremely durable cast iron heat exchanger for maximum reliability and service life
• Integrated stainless steel combustion chamber insert for clean and efficient combustion
• Thick 3-1/2" insulation for extremely low standby losses and fuel savings
• Easy access, full-swing left-hinged or right-hinged combustion chamber door
• Low maintenance cost with service friendly burner and easy-to-clean flue gas passageways
• Spacious, wet-base water walls prevent deposits, reduce stress and increase boiler life
• Additional energy savings and reduced emissions with modulating boiler water temperatures when using Vitotronic control options,
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  Viessmann VR1-91

Buderus G234x/45 Natural Gas Fired Cast Iron Water Boiler 187 BUT Input 154K BTU Output 84% AFUE
The Buderus G234x is a larger gas fired boiler designed for medium to large sized homes. The included burner pre-mixes gas and oxygenated air to the optimal level, resulting in a clean burning flame that reduces emissions and waste buildup. The burner's tray is fully removable, resulting in an easy cleaning process and simplified routine maintenance. Fully field-convertible from natural gas to liquid propane operation, the G234x is perfect for a large variety of homes.,
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Buderus G234X/45

Weil-McLain SGO-5-S4 Cast Iron Residential High Efficiency Oil Fired Steam Boiler,83.9% AFUE,131K BTU Output 546 Square Feet

• Factory tested and assembled cast iron section assembly
• Insulated steel jacket
• Aluminized steel flue collector hood with flue cap on top outlet (convertible to rear outlet)
• Swing away burner mounting door
• Heater opening cover plate
• High limit control with circulator relay and LWCO function
• Electrical junction box with wiring harnesses
• Junction box cover plate with service switch
• (2) vent pipe brackets
• Steam pressure, temperature gauge
• 15 psi ASME relief valve-side outlet
• Drain valve
• Barometric damper
• Siphon
• Gauge glass, cocks and guard

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Weil-Mclain SGO-5-S4

Buderus G234x/38 Natural Gas Fired Cast Iron Water Boiler 160K BTU Input, 130K BTU Output 84% AFUE
The Buderus G234x is a larger gas fired boiler designed for medium to large sized homes. The included burner pre-mixes gas and oxygenated air to the optimal level, resulting in a clean burning flame that reduces emissions and waste buildup. The burner's tray is fully removable, resulting in an easy cleaning process and simplified routine maintenance. Fully field-convertible from natural gas to liquid propane operation, the G234x is perfect for a large variety of homes.,
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Buderus G234X/38

Weil-McLain SGO-4-S4 Cast Iron Residential High Efficiency Oil Fired Steam Boiler, 84% AFUE, 108K BTU Output 450 Square Feet

• Factory tested and assembled cast iron section assembly
• Insulated steel jacket
• Aluminized steel flue collector hood with flue cap on top outlet (convertible to rear outlet)
• Swing away burner mounting door
• Heater opening cover plate
• High limit control with circulator relay and LWCO function
• Electrical junction box with wiring harnesses
• Junction box cover plate with service switch
• (2) vent pipe brackets
• Steam pressure, temperature gauge
• 15 psi ASME relief valve-side outlet
• Drain valve
• Barometric damper
• Siphon
• Gauge glass, cocks and guard

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Weil-Mclain SGO-4-S4

Viessmann VIitocrossal 300 CU3A353 Powder-Coated Viessmann Silver Stainless Steel Combustion Chamber Condensing Natural/LP Gas Fired Water Boiler, 95% AFUE, 40 - 199 MBTU Input, 40 - 185 MBTU Output

• Equipped with the industrys first intelligent combustion management system and powerful control technology
• Lasting performance with industry-leading Viessmann made SA240 316 Ti stainless steel Inox-Crossal heat exchanger
• Low emission combustion with fully-modulating Viessmann stainless steel matrix cylinder burner
• Fast installation and reduced maintenance with Lambda Pro, industry-first intelligent combustion management system: adjusts automatically to gas type and quality, no fuel conversion kit required
• Powerful and user-friendly: Viessmann Vitotronic on-board multi-function outdoor reset boiler and system control for multi-temperature space and DHW heating
• Greater venting flexibility with increased vent length up to 198 feet and multiple venting
• Compact, esthetic product design and zero clearance to combustibles
• Extremely quiet operation, quieter than most refrigerators
• True high-altitude operation up to 10000 feet with simple electronic adjustment
• 4" WC natural gas, 10" WC liquid propane gas
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  Viessmann CU3A353