Paul Mueller Company

Fre-Heater® Heat Recovery System

    • Dairy Farm
    • Food
    • Heat Transfer
    • Heat Transfer
    • Refrigeration & Chilling
    • Heat Recovery

  1. Features

    • Stainless steel outer jacket
      • Rust-resistant exterior requires no maintenance
    • Mueller Temp-Plate heat transfer surface cools the superheated refrigerant from the condensing units and harvests the system’s wasted heat energy
    • Industrial-grade, fully insulated, glass-lined storage tank assures minimal heat loss and long-term reliability
    • Factory-installed anode(s) provide superior galvanic corrosion protection for the water storage tank. Model D-120 has two anodes, and Models D-50 and D-80 each have one anode
    • Complies with CSA regulations for the United States and Canada, with Canadian Registration Numbers available
    • The temperature of hot water depends on the size of condensing units and cooling time
    • Channels recovered energy into single or multiple Fre-Heater units
    • Designed for 150 psi maximum water working pressure and 426 psi maximum refrigerant working pressure
    • Available in 50-, 80-, and 119-gallon capacities
    • Model DE Fre-Heater offers all of the features of standard Model D Fre-Heaters with the addition of a 4,500-watt, 240-volt electric element
      • Available in 80- and 119-gallon sizes
    • Five-year limited warranty protects your purchase

  2. Specifications

    Model No.Part No.Water Connection - inNo. of Refrig. CircuitsRefrig. Connection Size - inPer Circuit Refrig. Application CapacityHeight - inDiameter - inApprox. Shipping Weight - lbs
    D-50 8828038 0.75 FPT 1 5/8 ODM 0.5 to 4 ton 54 21.75 225
    D2-50 8828037 0.75 FPT 2 5/8 ODM 0.5 to 4 ton 54 21.75 225
    D-80 8828036 0.75 2 3/4 ODM 1 to 5 ton 59 25.25 320
    D-120 8828032 1.5 FPT 2 3/4 ODM 1 to 7.5 ton 62 29.5 475
    D2-120 8828030 1.5 FPT 2 1-1/8 ODM 3 to 15 ton 62 29.5 475
    D2-120A** 8828031 1.5 FPT 2 1-1/8 ODM 3 to 15 ton 62 29.5 475
    DH-120 8828029 1.5 FPT 2 1-5/8 ODM 7 to 35 ton 62 29.5 475
    DE-120 8828034 1.5 FPT 2 1-1/8 ODM 3 to 15 ton 62 29.5 475
    DHS-120 8825141 1.25 FPT 1 1-5/8 ODM 14 to 70 ton 62 29.5 440
    DHSE-120A4 8825142 1.25 FPT 1 1-5/8 ODM 14 to 70 ton 62 29.5 440
    DHSE-120A6 8825213 1.25 FPT 1 1-5/8 ODM 14 to 70 ton 62 29.5 440
    DHSE-120B6 8825214 1.25 FPT 1 1-5/8 ODM 14 to 70 ton 62 29.5 440
    DA-120*** 8828033 1.5 FPT 2 1 MPT 5 to 25 ton 62 29.5 475
    ** Aquastat Included
    *** Ammonia Only