What is a Category 1 Appliance:
A、Anappliancewithapowerburner
B、Anaturalgasorpropane-firedwaterheaterorcentralfurnace
C、Anappliancethatoperatedwithanon-positiveventstaticpressureandafluelossofnotlessthan17%
D、Anappliancethatoperatedwithapositiveventstaticpressureandafluelossofnotlessthan17%
发布时间：2025-06-12 06:27:41
