VIESSMANN® VR1 Series VR1-63 7344394 Water Boiler, 0.871 AFUE, 245 mbh Input, 215 mbh Output BTU, 19.3 gal Input, Iron

VIESSMANN® Water Boiler, VR1 Series, Model: VR1-63, 0.871 AFUE Rating, 245 mbh Input, 215 mbh Output, 187 mbh Net BTU Rating, 1.75 gph Flow Rate, Oil Fuel, Direct Vent, 19.3 gal Input, 6 in Vent Diameter, Iron, 39-3/4 in H x 22-1/2 in W x 42-1/2 in D

• A genuine triple-pass boiler of cast iron sectional design
• The high quality construction and innovative oil heating technology of this boiler provides a high level of operational reliability, high efficiency operation and reduced emissions
• Maximum heat extraction with triple-pass design
• Extremely durable cast iron heat exchanger for maximum reliability and service life
• Clean combustion with Beckett or Riello burners
• Integrated stainless steel combustion chamber insert for clean and efficient combustion
• Thick 3-1/2 in 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
• Direct vent option (upto VR1-33) eliminates the need for a chimney and combustion air supply opening
• 30 lbf/sq-in maximum operating pressure

• Instruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/Viessmann_VR10313_Manual.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Viessmann_VR10316_Specification_Sheet.pdf