Figure 7-12. - Model S Hypochlorinator.

a pressure vessel, piping and valves, safeties, a refrigeration unit, and a vaporizer. All of these devices require normal maintenance.

AMMONIA

Ammonia fumes are poisonous, but even small concentrations of ammonia are quickly noticeable by the characteristic odor. Because the gas is extremely soluble, a water spray can pick up ammonia, which has escaped. The same precautions used with chlorine are used in handling ammonia with the following exceptions and additions:

Because ammonia is lighter than air, install vents at the top of the room. 7-16