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OSB – Oil Fired Steam Boiler Series 2

OSB – Oil Fired Steam Boiler Series 2

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OWT – Oil Fired Water Boiler w/ Tankless Series 2

OWT – Oil Fired Water Boiler w/ Tankless Series 2

0.70 to 1.75 GPH InputFactory testedEasy serviceSwing-away burner doorLow draft lossTop access cleanout coverPlug-in wiring harnessHigh efficiency oil burnerFlame retention head designSolenoid valvePSC motorSolid state ignitorRear flue outletCast iron sections with built-in air separatorInsulated heavy-gauge steel jacket

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OWB – Oil Fired Water Boiler Series 2

OWB – Oil Fired Water Boiler Series 2

0.70 to 1.75 GPH InputFactory testedEasy serviceSwing-away burner doorLow draft lossTop access cleanout coverPlug-in wiring harnessHigh efficiency oil burnerFlame retention head designSolenoid valvePSC motorSolid state ignitorRear flue outletCast iron sections with built-in air separatorInsulated heavy-gauge steel jacketShare via Email

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GWI Series 2 – Gas Water Induced-Draft

GWI Series 2 – Gas Water Induced-Draft

47,500 to 190,000 Btuh InputNatural or PropaneVersatileInduced-draft design allows sidewall or chimney ventingHigh efficiencyAFUE’s to 83.3%Spark-ignited pilot with electronic controlCompact designFactory testedEasy serviceOne-piece access doorAll controls in easy reachColor-coded wiringCast iron sections with built-in air separatorInsulated heavy-gauge steel jacket

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GWA Series 2 – Gas Water Atmospheric

GWA Series 2 – Gas Water Atmospheric

52,000 to 245,000 Btuh InputNatural or PropaneFactory testedEasy serviceOne-piece access doorAll controls in easy reachCast iron sections with built-in air separatorInsulated heavy-gauge steel jacket

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GSA Series 1 – Gas Steam Atmospheric

GSA Series 1 – Gas Steam Atmospheric

Easy Service – One-piece access door, all controls in easy reachHigh Efficiency – Generous heating surface, automatic vent damperStainless steel burners10-Year warranty on boiler sections

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Centennial Oil Furnace Cased Cooling Coils

Centennial Oil Furnace Cased Cooling Coils

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13 SEER Air Conditioner

13 SEER Air Conditioner

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80% Gas Furnace

80% Gas Furnace

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90% Gas Furnace Downflow

90% Gas Furnace Downflow

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Williamson-Thermoflo

N93 W14635 Whittaker Way
Menomonee Falls, WI 53051

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