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Weil-Mclain 633-600-000 Aqua Plus 35 29.7 Gallons Indirect-Fired Water Heaters Stainless Steel - Series 2


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Retail : $1,950.00 - $409.5 =
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Product details

Weil-Mclain 633-600-000 Aqua Plus 35 29.7 Gallons Indirect-Fired Water Heaters Stainless Steel - Series 2

  • 316L Stainless Steel Tank and Coil Design
  • High Output Heat Exchanger
  • Advanced Digital Control
  • Fully Passivated and Welded Design—No Anode Rod Needed
  • 2" Thick CFC-free Foam Insulation
  • Poly Resin Top and Bottom Caps
  • 150 PSI T&P Relief Valve Included
  • Drain Tapping and Valve Included
  • Leveling Legs
  • Now with a Limited Lifetime Residential Warranty
  • (started with CP#7917218)



Design Benefits

  • Compact Size
  • Easily fits into low ceiling basements or storage rooms without sacrificing height or performance
  • Accent-colored grommets
  • 1" diameter 316L stainless steel coil for maximum performance and recovery
  • Temperature/pressure relief valve and drain tap included as standard equipment

Benefits that Conserve…

  • Low residual heat losses with 2 inches of dense foam insulation
  • Standby losses as low as 0.4°F/hr
  • No need for additional after-market insulation blanket
  • CFC-free and environmentally safe

Benefits of AHRI

Air-Conditioning, Heating and Refrigeration Institute (AHRI) is a trade organization of over 300 HVACR manufacturers with 3 core missions:

  • Advocate on behalf of all HVACR manufacturers at all levels of government
  • Maintain certification programs that offer unbiased evaluation of HVACR equipment
  • Develop industry-recognized perfo


  • 1 Boiler water inlet (see table for size)
  • 2 Boiler water outlet (see table for size)
  • 3 Cold domestic water inlet (see table for size)
  • 4 Domestic hot water outlet (see table for size)
  • 5 Electronic digital control with adjustment knob
  • 6 Sensor cover
  • 7 Leveling leg adjustment range = ⅝" to 1 ¼" (add this amount to the height dimensions for total height from floor)
  • 8 Angle between boiler water connections and domestic water connections
  • 9 Connection for T&P valve (¾") – valve supplied loose with water heater; field installed
  • 10 Connection for drain valve – valve supplied loose with water heater; field installed

Benefits of Indirect-Fired Water Heaters

  • Operates as a zone to the boiler, reducing fuel consumption
  • Tightly wound coil provides a faster recovery than direct fired water heaters – Typically lose only 0.5°F/hr
  • No additional exhaust flues, or fuel piping to consider
  • Boiler operates less frequently than with other water heating types resulting in higher efficiencies
  • Delivers superior first hour gallons per minute domestic hot water


  • 316L welded stainless steel tank
  • 316L stainless steel coil over 1 inch in diameter
  • 2" thick CFC-free foam insulation
  • 150 PSI T&P relief and drain valves included
  • Digital thermostat residential/commercial capable
  • Poly resin top and bottom caps
  • Leveling legs
See All Weil-McLain Products

Specification Sheet

Basic Information
MPN ? Manufacturer Part Number 633-600-000
UPC / GTIN 672619207646
Manufacturer Weil-McLain
Series ? A manufacturer's grouping of items that match, coordinate, or complement each other. Aqua-Plus
Dimensions and Measurements
Height (Inches) ? The vertical measurement from bottom to top, measured in inches. 36-3/8"
Gallons 29.7 Gallons
Tank Capacity 29.7 gallons
Max Flow Rate ? The volume of water moved by the product per minute, measured in gallons. 8 GPM
Weight ? Weight 94.00
Characteristics and Features
Material ? The material(s) used in the construction of the product. 316L Stainless Steel
Fuel Type Electric
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