• Space Heating and Hot Water — Efficient heating combined with continuous hot water all from one unit for space and cost savings
  • Perfect for Replacing a Boiler —Compatible with any hydronic heat emitting devices including air handlers
  • Saves Space — A single, compact combi boiler can replace a boiler AND tank water heater
  • Built-in Auto-Feeder — Maintains hydronic loop pressure automatically between12-30 psi
  • Outdoor Reset Sensor — Tracks outdoor temperatures and overrides the heating set point as needed to keep the home comfortable when weather changes
  • Auto Boost Feature1 — If the thermostat set point has not been achieved in a reasonable time, the combi will auto boost the hydronic loop to reach the desired temperature more quickly
  • Max Vent Lengths: 100' @ 3", 50' @ 2" 2— Means more flexible and versatile installation options
  • Vent with Room Air3 — Save time and money on installation
  • 4.5 GPM at 77°F Rise — for 199,000 BTU model


  • Assembled copper tubing
  • 1" CTS with 1-1/4" CTS trunk
  • Drain valves for easy flushing
  • Color coded full port ball valves
  • Make installations easier


  • AHRI
  • Intertek ETL C US


Ruud Professional Ultra Combination Boiler

    Ruud Professional Ultra Combination Boiler

      Ruud Professional Ultra Combination Boiler


      • Residential – 10-Year Heat Exchanger
      • 5-Year Parts
      • 1-Year Labor

      KwikComfort® Financing can help make your purchase even easier.
      Ruud makes it easy to find a financing option that works for you! With many options and benefits available, KwikComfort Financing is the best way to get the home comfort you need without the wait.

      • Applications made easyWe'll help you avoid lengthy contracts, headaches and hassles.
      • Kwik credit decisionsYou'll get an answer to your application within minutes.
      • Fast credit for the futureFinance your Ruud equipment and anything you want to add later.
      • Reduced interest/fixed paymentsGet low interest and fixed monthly payments until the purchase is paid.
      • Minimum monthly paymentTake advantage of convenient monthly payments that fit your budget.
      • Deferred interest/no interestEnjoy interest-free payments as long as the balance is paid by the due date.