flush water is the water that firemen have to empty from fire hydrants. there are many articles going around saying that they may have to fill the pools during the summer in drought areas with the flush water is this a good idea?
probobly not unless by same manufacturer, and even then probobly a different model. It only takes a second to screw in a new mount supplied with your new detector.
DNA is the same in our whole body, So, It doesn't matter if you take from hair or cheeks. Like, during a DNA test..DNA is taken from any part of the body , Even a single hair from your body is enough.
most of the mounting rings are different. I would bye the same brand as the ones already ther and hope they are interchangeable if not it isn't all that complicated or hard, may take about 3 to 5 minutes for each. All the holes will line up with the ceiling boxes as mos of them have elongated holes. For best results and guarantee to work dont mix and match detectors, keep them all the same as they read each other . A mongrel brand may or will send a wrong signal and set them all off. Most of these have battery backup so be sure to change them at least once a year or earlier if the house was with out electricity for a few hours off and on during the year. Most Fire departments say to change the batteries when you change the clocks in the Fall
