warningThis product has additional required/recommended products.
content loaded
WEIL MCLAIN 383-500-503 Image 1

ULTRA 155 HI-EFFECIENCY GAS BOILER WEIL MCLAIN 383-500-503

MFR Part #: 383-500-503
SKU #: 1014716
Brand: Weil-McLain®
UPC: 400002818144
Weil-McLain® 383-500-503 UG S3 Gas Boiler, Liquid Propane/Natural Gas Fuel, 123000 Btu/hr Net IBR, 155000 Btu/hr Input
CSA Certified | DOE | LBR | Good Housekeeping Promises

Weil-McLain® Gas Boiler, Series: UG S3, Liquid Propane/Natural Gas, Net IBR Rating: 123000 Btu/hr, 155000 Btu/hr Input, 139 MBtu/hr DOE, 93 % AFUE

Product Details

Weil-McLain® Gas Boiler, Series: UG S3, Liquid Propane/Natural Gas, Net IBR Rating: 123000 Btu/hr, 155000 Btu/hr Input, 139 MBtu/hr DOE, 93 % AFUE

Attributes

Fuel Type: Liquid Propane/Natural Gas
Input Capacity: 155000 Btu/hr

Features

  • Gas fired water boiler with cast aluminum heat exchanger
  • Venturi mixing body mixes air and gas providing higher efficiency
  • Designed to operate in low temperature condensing applications
  • Outdoor reset and domestic hot water priority standard
  • Negative regulated gas valves precisely delivers gas to the boiler
  • U-Control gives you the power for easy set-up and maintenance
  • Modulates with 5 to 1 turn-down ratio
  • Variable speed motor matches combustion output to heating needs
  • High grade stainless steel burner features quiet operation, high efficiency and cleaner combustion for low NOx applications
  • High efficiency
  • 3 in vent