| Application: | Heating |
|---|---|
| Used With: | PVG Boilers SCG 5 Boilers SCG 6 Boilers SCG 8 Boilers |

PVG boilers are among the most efficient non-condensing gas boilers. Condensing boilers have the highest efficiency ratings for gas boilers, but keep in mind that they require different venting materials and they can only reach their peak efficiency levels with relatively low return water temperatures.