How would you defeat him AND how would you FEEL once you had defeated him?
are you in a smoke-free building?if so, why are you smoking in the apt?. no normal smoke alarm will go off from cigarette smoke unless you are seven people all lighting up at the same time in one room.. then, maybe. smoke alarms are for FIRES!!. not ciggies.
When you say hose, are you talking about a stainless steel flexible metal hose or a rubber hose? Your gas line juts out of the wall from where, 6 off the floor, 3' up, makes a difference. Does the gas line have a shut off valve on it or just a hose? Most gas pipes coming up from the floor or out of a wall behind laundry is off 1/2 black pipe, occasionally it's 3/4 black pipe. As bad as we have gotten in this country lately, we haven't yet succumbed to the Metric system of measurement for our gas piping yet, thank God. The simplest easiest way to connect this appliance is with a flexible stainless steel gas line, which will have flare connectors on each end. If you buy one and one end or the other is larger or smaller than you need, you can take it back and tell the person who helped you the first time that you need another fitting. Take them home put them on and make sure to use pipe joint compound on the threads.
Fire extinguishers are part powdered fire retardant and part pressurized CO2. There is so much pressure that it leaks past even the best of seals over time. The gauge lets you know how much pressure is still in the canister. When it has leaked to the point that in may not reliably force out the powder it will indicate that it needs recharging (re-pressurizing.) Just because you have an extinguisher with a Gauge does not mean it's necessarily a candidate for recharging. If your extinguisher has any plastic parts you won't find a company that will do it. Pretty much if you didn't buy it from an extinguisher company it probably can't be recharged.