Product Literature
![Product Literature: ProLine® Ultra-Low NOx Atmospheric Vent (410 series)](https://www.hotwater.com/dw/image/v2/BDTV_PRD/on/demandware.static/-/Sites-hotwater-Library/default/dw846133d9/images/noimagelarge.png?sw=375&sh=375&sm=fit)
Product Literature: ProLine® Ultra-Low NOx Atmospheric Vent (410 series)
Featuring a 40-gallon (nominal) tank and a 40,000 BTU gas burner, the GUC-40 Standard Vent delivers a first hour rating of 72 gallons and a recovery rate of 41 gallons per hour.