Glass Rinsers 201


Why They Don’t Always Work

We’ve already posted an article as to why Glass Rinsers are important (you can find that here), but now we wanted to take it deeper and explain how they work…more importantly, why they don’t always work.

How do they work?

The rinsers are hooked up to a cold water supply. If installed correctly, they would T into the cold water supply line for the sink behind the bar. However this requires a plumber, which significantly adds to the install cost. Instead, many installers simply T into the water line that supplies the soft drink system. The soft drink companies are not a fan of this, for two reasons: 1) it’s their equipment other people are messing with, and 2) it lowers the pressure supplied to the soft drink system each time someone rinses a beer glass.

 

GlassRinserAssembly

Click to enlarge.

If installed properly, the water supply line to the assembly will have a flow restrictor installed (1750352C).

The pressure provided from the cold water supply is typically about 70 psi. The rinser assemblies are only designed to hold 50 psi, so over time an improperly installed rinser system (without a flow restrictor) will show several signs:
1. The rinser assembly will begin to seep water; a slow drip from the top of the assembly.
2. The water pressure coming from the rinser is very high – you may think it will blow the bottom of the glass off.
3. And finally, the assembly will have much more restriction and you’ll notice that it takes a lot of power to push down on a glass to get the rinser to activate.

All of these are signs that there is no flow restrictor installed.

Over time, with the added water pressure, the rinser assembly:
1. Becomes much more sensitive, so only a slight touch will set it off.
2. Then it won’t shut off without the bartender pulling the assembly up.
3. The next stage is the rinser assembly simply gives way to the extra pressure and it breaks apart and floods the bar – and the entire restaurant if it happens in the middle of the night.

In order to allow for proper cleaning of the assembly and the tray, a water shut off valve (WD-025) should be installed between the water supply and the flow restrictor. This also helps when replacing parts in the assembly and restrictor if needed.

Summary – Every Glass Rinser should have a flow restrictor and a shut off installed.

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