Section 444.172 - Strainers1. The recirculation system must include a strainer to prevent hair, lint and other solids from reaching the pump and filters.2. Strainers must be corrosion resistant with openings not more than one-eighth of an inch in size providing a free flow area at least four times the area of the pump suction line and must be readily accessible for frequent cleaning. Valves must be installed adjacent to the strainer in order that the flow may be shut off during the cleaning or inspection. At least one spare strainer basket must be provided.3. Strainers may not be required in systems using vacuum diatomaceous earth filters.Nev. Admin. Code § 444.172
Bd. of Health, Public Bathing Places Reg. Art. 26 § 26.5, eff. 5-21-74