Please pay attention to keep the valve connector tight during installation and ignition!! Power:2x 10000BTU(2.93KW)+ 1 x 6000BTU(1.76KW) + 1 x 3500BTU(1.02KW) Product size:22.83in(L)*19.69in(W) (Exist slight error) Cut-out size: 21.65in(L)*18.5in(W) (Exist slight error) Required depth below surface for installatio:4.5 inch(there is a slight error between 1-2inch, can be ignored).
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