They are tested at 175 psi for 24 hours. Standard plumbing is only tested at 60 psi. Only the sprinkler head that is affected by the fire will activate. Sprinkler heads are activated by heat only. Smoke without heat will not cause a sprinkler to activate.
Sprinklers cause less damage than the fire itself.
Sprinklers have been in use since the late eighteen hundreds to protect lives and property. They are a proven technology. We hope that this information will help you to better understand your sprinkler system. A few minutes a month is all it takes to ensure that this life safety system is ready to go to work.