GWS Gas-Fired Water Boiler 63,000 to 158,000 Btuh Input Natural or Propane Construction • Sealed combustion option allows use of outside combustion air • Factory Packaged • Compact Design • Factory Tested • Easy to service + One-piece access door + Plug-in wiring + Control module with diagnostic lights • High Efficiency + AFUEs to 85.3% + Spark-ignited pilot with electronic control • Cast iron sections with built-in air separator • Insulated heavy-gauge steel jacket • Limited lifetime warranty	Equipment • Insulated extended steel jacket • Induced-draft blower assembly • Air Pressure switch • Stainless steel burners • Electrical junction box • 24-VAC combination gas valve • 40VA control transformer • Plug-in wiring • Taco 007 circulator • High temperature limit control • 30 PSIG ASME relief valve • Combination pressure/temperature gauge • Spark-ignited (intermittent) pilot system • Electronic ignition/flame supervisory control ♦ Dimensions and Specifications In PDF format: ♦ User Information ♦ Literature ♦ Manual ♦ Venting

Construction

• Sealed combustion option allows
    use of outside combustion air
• Factory Packaged
• Compact Design
• Factory Tested
• Easy to service
    + One-piece access door
    + Plug-in wiring
    + Control module with diagnostic lights
• High Efficiency
    + AFUEs to 85.3%
    + Spark-ignited pilot with electronic control
• Cast iron sections with built-in air separator
• Insulated heavy-gauge steel jacket
• Limited lifetime warranty