5-7"dia 6.5"H-W 8"L SS Barmtc Drft Cntrl: Natural Gas and Oil, For 5 in_6 in_7 in Duct Dia, 8 in L This 8" wall clock has

This 8" wall clock has a sharp glass protection lens

busy signal

87" / 40 x 27

The table top is made of MDF with rubberwood veneer

5-7"dia 6.5"H-W 8"L SS Barmtc Drft Cntrl: Natural Gas and Oil, For 5 in_6 in_7 in Duct Dia, 8 in L This 8" wall clock has5 7"dia 6. 5"H W 8"L SS Barmtc Drft Cntrl: Natural Gas and Oil, For 5 in_6 in_7 in Duct Dia, 8 in L Barometric draft control dampers automatically open and close in response to pressure changes in the connected exhaust duct. They help optimize the combustion by regulating the draw in the exhaust. This increases the heat transfer in the heat exchanger and helps ensure complete combustion. Their configuration is determined by the duct size, fuel used,