Contents
function basePopup(uri,width,height,winName,winArgs) { /* close existing popUp window */ if (typeof(popUp) == "object") { if (typeof(popUp.window) == "object") popUp.close(); } popUp = window.open(uri, winName, 'width=' + width + ',height=' + height + winArgs); /* attempt to focus the new window */ if (typeof(popUp) == "object") { try { popUp.focus(); } catch(err) { return false; } } return false; }
// A general-purpose popup window function function popupWindow(uri, width, height) { var windowName = 'popup'; if(arguments.length > 3) { windowName = arguments[3]; } return basePopup(uri,width,height,windowName,',scrollbars=no,resizable=yes,menubar=no,toolbar=no,location=no,directories=no,status=no,menubars=no'); }
// A general-purpose popup window function with full chrome function popupScrollOnly(uri,width,height,windowName) { return basePopup(uri,width,height,windowName,',scrollbars=yes,resizable=yes,menubar=no,toolbar=no,location=no'); }
function EnlargePhoto(filename) {
return popupScrollOnly('/hvac-products/lennox-air-conditioning-and-heating/lennox-image-popup.html?filename=' + filename,610,570,'photo');
}
GWB9-IH Boiler
Features
Overview
- The cast-aluminum heat exchanger in the GWB9-IH transfers heat three times faster than conventional cast-iron exchangers. So you enjoy rapid warmth when you need it.
- With a corrosion-resistant cast-aluminum heat exchanger, you can take comfort knowing the boiler will deliver dependable performance, season after season.
- The GWB9-IH is designed to integrate easily into a traditional radiator system. Its compact design allows flexible installation inside your home for easy replacement of an older boiler with a higher efficiency model.
Here are some of the top features of the GWB9-IH:
Energy Efficiency
- Cast-aluminum heat exchanger—transfers heat up to three times faster than traditional cast iron exchangers
- This product has been designated as one of the Most Efficient ENERGY STAR certified products in 2020. Products that are recognized as the Most Efficient of ENERGY STAR in 2020 prevent greenhouse gas emissions by meeting rigorous energy efficiency performance levels set by the U.S. Environmental Protection Agency.
- Electronic ignition control—monitors water temperature and maximizes efficiency by turning on the burner only when needed
Home Comfort
- Sealed combustion—minimizes fan noise and provides quiet, soothing heat
- Easy integration—low temperature supply and return water makes the unit compatible with existing radiant and underfloor systems
Performance
- Durable cabinet—heavy-gauge steel cabinet and baked-on paint finish
- Compact and versatile—allows easy installation in a basement, closet or alcove enclosure, and can be fueled by natural or LP* gas
Publications
GWB9-IH Boiler Product Brochure
Disclaimer
*Shipped as natural gas; field convertible to LP.
Certifications
Call