Weil-McLain PLUS-E017-A/1206 A1 Pre-installation continued, restrictions, Uniform Plumbing Code

Manual • Installation • Start-Up • Usage • Maintenance • Parts

A1 Pre-installation continued

Operating • Maximum domestic hot water temperature (Use only for special high-temperature

restrictions	operational requirements):
	• 160°F for GOLD Plus 30/40/60/80 or	Plus 40/60/80.
	• 190°F for PLUS 100/110/119.

• Maximum boiler water temperature — 210°F.

• Maximum working pressure for inner (domestic water) tank — 150 psig.

• Maximum working pressure for outer (boiler water) tank — 45 psig.

• pH and chloride limits for water heaters are:

• chloride — less than 80 mg/l.

• pH — above 6 and less than 8.

Code restrictions National Standard Plumbing Code

Single wall heat exchanger in water heater complies with National Standard Plumbing Code, provided that:

•boiler water (including additives) is practically non-toxic, having toxicity rating or class of 1, as listed in Clinical Toxicology of Commercial Products, and

•boiler water pressure is limited to maximum 30 psig by approved relief valve.

Uniform Plumbing Code

Single-wall heat exchangers are permitted if they satisfy all of the following requirements —

1.The heat transfer medium is potable water or contains only substances which are recognized as safe by the U. S. Food and Drug Administration.

2.The pressure of the heat transfer medium is maintained less than the normal minimum operating pressure of the potable water system.

Exception: Steam complying with #1, above.

3.The equipment is permanently labeled to indicate that only additives recognized as safe by the FDA shall be used in the heat transfer medium.

Other heat exchanger designs may be permitted where approved by the Administrative

Authority.

Part Number PLUS-E017-A/1206