010-4 Wyo. Code R. §§ 4-11 - Chemical Feeders

(a) Chemical feeders shall:

(i) Be installed, maintained and operated in accordance with the manufacturer's specifications;

(ii) Be installed:

(A) So the gas or solution is introduced downstream from the filter and heater; and

(B) If possible, at a point lower than the heater outlet fitting or according to the manufacturer's instructions.

(iii) Incorporate failure-proof features so the chemical cannot feed into:

(A) The pool, spa or similar installation;

(B) The piping system,

(C) The water supply system; or

(D) The pool, spa and similar installation enclosure if equipment or power fails.

(I) Chemical feed pumps shall be wired so they cannot operate unless there is adequate return flow to properly disperse the chemical throughout the pool, spa or similar installation as designed.

(iv) Be regulated to ensure constant feed with varying supply or back pressure;

(v) Be designed to prevent siphoning from the re-circulation system to the solution container and to prevent siphoning of the chemical solution into the pool, spa or similar installation; and

(vi) Have a graduated and clearly marked dosage adjustment to provide flows from full capacity to ten (10) percent of such capacity.

(A) The device shall be capable of continuous delivery within ten (10) percent of the dosage at any setting; and

(B) Be provided with make-up water supply lines to chemical feeder solution tanks that have an air gap or other acceptable cross-connection control.

Notes

010-4 Wyo. Code R. §§ 4-11