Section 116785 Of Article 1. Water Softeners From California Health And Safety Code >> Division 104. >> Part 12. >> Chapter 5. >> Article 1.
116785
. Except as provided in Section 116786, a residential water
softening or conditioning appliance may be installed only if either
of the following apply:
(a) The regeneration of the appliance is performed at a
nonresidential facility separate from the location of the residence
where the appliance is used.
(b) The regeneration of the appliance discharges to the community
sewer system and all of the following conditions are satisfied:
(1) The appliance activates regeneration by demand control.
(2) An appliance installed on or after January 1, 2000, shall be
certified by a third party rating organization using industry
standards to have a salt efficiency rating of no less than 3,350
grains of hardness removed per pound of salt used in regeneration. An
appliance installed on or after January 1, 2002, shall be certified
by a third party rating organization using industry standards to have
a salt efficiency rating of no less than 4,000 grains of hardness
removed per pound of salt used in regeneration.
(3) The installation of the appliance is accompanied by the
simultaneous installation of the following softened or conditioned
water conservation devices on all fixtures using softened or
conditioned water, unless the devices are already in place or are
prohibited by local and state plumbing and building standards or
unless the devices will adversely restrict the normal operation of
the fixtures:
(A) Faucet flow restrictors.
(B) Shower head restrictors.
(C) Toilet reservoir dams.
(D) A piping system installed so that untreated (unsoftened or
unconditioned) supply water is carried to hose bibs and sill cocks
that serve water to the outside of the house, except that bypass
valves may be installed on homes with slab foundations constructed
prior to the date of installation; or condominiums constructed prior
to the date of installation; or otherwise where a piping system is
physically inhibited.