Pitcher rinser

Fires water up into an inverted jug at the point of use, so clearing milk residue between drinks is a movement rather than a trip to the sink.

A basin set into the counter or into the drip tray, with a jet head pointing upward, fed from a supply and discharging to a drain. Activation is either mechanical — the weight of the inverted jug presses a plate that opens a spring valve — or a sensor. What it does is purely mechanical displacement: it moves liquid milk residue off the inside face before it dries, which is the moment at which residue is easiest to remove and the moment a busy bar is least likely to act. What it does NOT do is sanitise, and it does not reach the places that actually hold a film: the rolled rim, the pouring lip and the seam where the handle is welded to the body. Two secondary effects change how the jug behaves afterwards. The rinse leaves the jug wet, and water carried back to the wand goes into the next drink unless the jug is shaken out — so the shake is part of the movement, not an optional flourish. And whatever is on that jet is on the inside of every jug on the bar, which makes the rinser's feed a water-quality decision rather than a plumbing convenience.

• Buy it to remove a WALK, and measure the walk before you buy. Stand at the wand and count the steps to the nearest sink. If the answer is one pivot, a rinser is a nicety. If it is three steps and a turn, the rinse is already not happening during a rush — it has become a wipe on a cloth, and the cloth is now the problem.
• Be plain that it is not a cleaning method. It displaces wet residue; it does not sanitise, and it does not touch the rim, the lip or the handle seam. The jug wash stays in the closing routine and the rinser is what keeps the jug usable between drinks. A bar that lets the rinser retire the wash has traded a visible task for an invisible one.
• Decide the feed deliberately, because whatever is on that jet is inside every jug on the bar. Put it on the treated line unless there is a reason not to, and if the supply is hard, understand that the jet head is a scale trap facing upward into the one place you cannot inspect without dismantling it.
• Settle the drain before the fitting. Rinse water carries milk, milk in a slow or improperly fallen drain becomes a smell and then a drain fly problem, and both arrive weeks after anyone connects them to the rinser. The fall, the trap and the connection are a plumber's call and are governed locally; get them agreed while the counter is still a drawing.
• Put it inside the steaming arc or do not put it in at all. The rinser has to be reachable with a jug in one hand and without moving the feet, because the entire justification for it is that it costs no steps. A rinser sited where the joinery had room is a hole in an expensive worktop that nobody uses.
• Choose press-plate for reliability and no power dependency, sensor for speed and for hands that are full or gloved. On a high-turnover team the sensor also removes a decision; on a bar with unreliable power the press-plate removes a failure. Neither is better in the abstract.
• Check what else will use it. If the cold lane, the tea station or the wash-up will reach for the same basin, either accept that the milk loop is now shared or specify a second one — and if a second one is the answer, that is cheapest to know before the worktop is cut.
• Count the water. It fires a fixed burst on every actuation, dozens of times an hour, and the flow is a property of the fitting rather than of the person using it. In a water-constrained venue that is a genuine consumption line and it belongs in the same conversation as the rest of the site's water use, not discovered on a bill.
• Confirm the supply connection, the isolating valve position and the drain run with a licensed plumber before the counter is fabricated. An isolating valve that cannot be reached without dismantling the joinery turns a dripping spring valve into a service call.