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Weil McLain Ultra Oil Fired Boiler Review




The Weil McLain Ultra Oil Fired Boiler is an attractive package that looks more like an appliance than a boiler. Weil McLain was founded in 1881 and is an industry leader in the comfort heating industry. Weil McLain has its headquarters in Michigan City, Indiana and has a manufacturing facility in Eden, North Carolina, they have over 700 employees around the world. The Weil McLain Ultra Series Oil Fired Boiler is the culmination of 128 years of experience in the comfort heating industry. The Ultra Series has good looks and good efficiency to go along with it. The entire boiler is encased in an attractive cabinet with “Pod Covers” that open for easy access for maintenance.

The Weil McLain Ultra Oil Fired Boiler has a 3 section boiler that passes the heated air from the fire box through the boiler sections 3 times before exhausting it to extract the maximum amount of heat possible. This gives the Ultra boiler a minimum AFUE Efficiency of 86% and qualifies the Ultra to carry the Energy Star Seal. This makes the Weil McLain Ultra Oil eligible for rebates of $50 – $200 under the Appliance Stimulus Package as well as grants under the Weatherization Assistance Program of up to $6500, it also qualifies for a $1500 Energy Tax Credit making this fall a very good time to have an energy efficient boiler installed in your home.


The Weil McLain Ultra Oil Fired Boiler comes in 3 models which can be fired at rates ranging from 0.80 – 1.40 gallons per hour with a DOE Heating Capacity (MBH) 98 – 172. It may be chimney vented with a Beckett AFG burner or, it can be chimney vented or, direct vented when a Beckett NX or, Riello burner is selected. Standard Equipment on the Ultra Oil includes a three-pass cast iron heat exchanger with captured elastomer seals, reversible swing-away burner door for easy cleaning, silicon e coated fiberglass sealing rope door seal, boiler drain, relief valve (30 PSI), attractive jacket design, hinged control POD to allow easy access for working on controls, service switch, temperature/ pressure gauge, factory wired terminal strips with labeled wires (pre-wired to accept external limits such as high limit and low water cut off) Electron ic aquastat, quick disconnect burner plug, barometric damper, and circulator.

The Weil McLain Ultra Oil comes with an “Advanced Features Module” that controls many functions of the boiler for added efficiency, comfort and better operation of the associated systems attached to the boiler such as indirect water heaters as well as diagnostic functions. The Weil McLain Ultra is an excellent choice for upgrading your heating system.