Utah Admin. Code R432-12-20 - Plumbing and Hot Water Systems

(1) The licensee shall ensure:

(a) water supply systems are designed to supply water at high enough pressure to operate any fixtures and equipment during maximum demand periods;

(b) water distribution systems are arranged to provide for continuous hot water at each hot water outlet;

(c) thermostatically controlled automatic-mixing valves regulate the hot water provided to resident tubs, showers, whirlpools, and handwashing facilities at temperatures for comfortable use within a range of 105 to 115 degrees F, and these valves are installed on the recirculating system or on individual inlets to appliances;

(d) water heating systems provide capacity at the minimum temperatures and amounts indicated in Table 3, Hot Water Use;

(e) water temperature is taken at the point of use or inlet to the equipment;

(f) rinse water at the warewasher is provided at 180 degrees (F) or 82 degrees (C) and may be provided by booster; and

(g) the system can provide hot water at temperatures of 160 degrees F or 71 degrees C at the laundry equipment as needed.

TABLE 3 HOT WATER USE
	Clinical	Dietary(1)	Laundry
Gallons per Hour per Bed(a)	3	2	2
Temperature (C)(b)	43	49	71(b)
Temperature (F)(b)	105	120	160(b)

(2) Quantities indicated in Table 3 for design demand of hot water are for general reference minimums and may not act as a substitute for accepted engineering design procedures using actual number and types of fixtures to be installed.

(3) The licensee shall ensure the effect of temperatures of cold water used for mixing, length of run, and insulation relative to heat loss are included in the system design.

Notes

Utah Admin. Code R432-12-20

Amended by Utah State Bulletin Number 2023-22, effective 11/9/2023