Brookstone Carbon Monoxide Alarm - Manual (Page 9)

installation instruCtions (Cont.)
NOTE: In the connection process, the connections will seal on the internal
backcheck modules in the cylinder valve and Grill Gauge resulting in a
slight resistance. the connection requires about a one-half to three-quarters
additional turn to complete the connection.
tIGHten by HAnD onLy—tAkInG CAre not to CrosstHreAD tHe
ConneCtIon. Do not Use tooLs.
7
Figure 2