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Commercial Plumbing

What plumbing should a bar review before adding a countertop glass rinser?

Updated October 4, 2026
Quick Answer

Review the exact rinser’s mounting, water connection and specified pressure controls, then resolve backflow protection and where the rinse water will go. Krowne’s 16-144 guide covers its own supply arrangement, not approval of the entire bar. Keep the approved glass-washing and sanitizing process; adding a water spray does not replace those steps.

What does the rinser’s installation guide actually establish?

Start with the model, mounting surface and water connection. Krowne’s 16-144 Glass Rinser Install Guide, Revision April 2022, identifies a threaded mounting stem, seals, faceplate and supply fittings. It also calls for an inline pressure regulator on the incoming water line. Those instructions describe that rinser, not every accessory sold for a countertop.

Give the installer the selected model’s actual guide and the counter or drainboard drawing. Confirm space below the mounting point for fittings, tubing and later access. A spray head that fits the visible hole can still leave an awkward or incompatible connection underneath.

Put the rinser on the commercial equipment schedule. Identify who supplies its regulator, connection parts and mounting support before the counter is cut.

Does the specified regulator settle backflow protection?

No. Do not treat a listed pressure regulator as approval of the complete backflow arrangement. FDA Food Code 2017 Section 5-203.14 requires point-of-use protection through an air gap or an approved backflow device. Section 5-202.14 addresses the device’s standard and suitability for its application.

Maricopa County’s current Environmental Health Code adopts that 2017 edition, with listed local changes. Have the plumbing designer and serving authority resolve the protection for the actual rinser and installation. The device accepted for a soda carbonator or another appliance does not automatically decide this accessory’s arrangement. Our beverage-equipment backflow guide explains why the equipment and jurisdiction matter.

Where will the rinse water go?

Resolve the receiving surface and waste route before installing the water supply. The captured Krowne guide covers the rinser’s mounting and supply; it does not establish the approved drainage design for your whole bar.

Ask the supplier for the selected counter or drainboard’s drainage details, then have the designer coordinate its outlet, receiving connection and access with the approved plumbing. Do not assume a nearby sink or floor receptor accepts every new discharge merely because the water can reach it. The commercial indirect-waste guide covers the separate receptor question.

Can the spray replace glass washing and sanitizing?

Keep the approved warewashing process. FDA Food Code 2017 Section 4-603.14 requires effective washing to remove or loosen soil. Section 4-603.16 addresses rinsing procedures, and 4-702.11 requires sanitizing before use after cleaning. Adding a plain-water spray does not establish that those steps have been completed.

Discuss the intended workflow with the food-establishment reviewer. Keep required handwashing facilities available too; bar hand-sink planning is a separate fixture decision.

What should be settled before work starts?

Record the model, mounting arrangement, water and waste connections, protection and intended use. Ask whether the addition changes approved plans. County Chapter VIII Section II Regulation 2 requires revised approval before work affected by a material plan change begins. Confirm the local building review separately. Retain the accepted arrangement and manufacturer instructions for the next replacement.

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