Brew Method

Hario Switch Recipe: Ratio, Valve Control and 02 vs. 03

The Hario Switch holds coffee and water behind a manual valve, then drains through V60 paper. Learn a 15 g immersion recipe, what the 02 and 03 capacity labels mean, and when a hybrid brew is worth trying.

By Jason HarrisReviewed by Online Coffee Guide editorial teamPublished Updated 7 min read
Handleless glass Hario Switch with black valve housing and a clear side lever over a glass server
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Key Takeaways

  • 1Start with 15 g coffee and 250 g (8.5 US fl oz) water at 92°C (198°F). This guide uses the glass 03 for extra headroom.
  • 2Keep the valve closed through a 50 g (1.7 US fl oz) bloom and the pour to 250 g (8.5 US fl oz) total. Open it at 2:00 from the first water.
  • 302 and 03 labels do not tell you how much water to add to every recipe. Match the model, filter and available headroom.

Highlights

Coffee
15 g
Water input
250 g (8.5 US fl oz) at 92°C (198°F)
Ratio
1:16.7 by weight
Open valve
2:00 from first water

What Is the Hario Switch?

The Switch is a V60-shaped dripper with a valve you can open by hand. In the glass model, a steel ball sits inside a silicone base. Raising the lever closes the outlet for steeping; lowering it releases the coffee. The brewer can stay over the server for both stages.

How the Switch Works

Hario Switch modes and valve positionsScrollable table
Hario Switch modes and valve positions
MethodValve settingBrewing routine
Full immersionClosed until the final drainCoffee and water steep together; paper filters the cup at release.
Pour-overOpen throughoutWater travels through the bed as you pour.
HybridDeliberately opened and closed mid-brewSeparate draining and steeping stages; follow one defined sequence.

On the original glass Switch, lever raised means closed; lever down, approximately flush with the base rim, means open. Confirm the mechanism with cool water before the first brew. The manufacturer's manual illustrates these positions.

How to Brew Hario Switch Coffee

This recipe uses 15 g coffee and 250 g (8.5 US fl oz) water, with the valve opening at two minutes. It adapts Hario UK's measured recipe, selects 92°C (198°F) from its range and uses the glass 03 for comfortable headroom. Allow about five minutes with hot water ready. The timer never resets.

Recipe

Hario Switch: 15 g Immersion Starting Recipe

Makes:
1 small mug; collected coffee is less than 250 g (8.8 oz)
Time:
About 5 minutes with hot water ready; about 3 minutes brewing

Ingredients

  • 15 g medium-ground coffee
  • 250 g (8.5 US fl oz) brewing water at 92°C (198°F)

Equipment

  • Glass Hario Switch 03, matching V60 03 paper, stable server, scale, grinder, kettle and timer

Method

  1. Set a glass Switch 03 with its matching V60 03 paper on a stable server. Open the valve, rinse and preheat with hot water, and discard the rinse water. Raise the lever to close the valve.
  2. Add 15 g medium-ground coffee, level it and tare the scale. Start the timer and pour 50 g (1.7 US fl oz) water at 92°C (198°F) over the grounds, keeping the valve closed.
  3. At 0:30, add another 200 g (6.8 US fl oz) water to reach 250 g (8.5 US fl oz) total. Keep the valve closed and leave enough space below the rim; the scale target is cumulative.
  4. At 2:00 from the first water, gently press the lever down to open the valve. Let the coffee drain into the server, aiming to finish around 3:00.
  5. Remove the brewer and swirl the coffee before serving. After cooling, discard the paper and grounds, then rinse the cone and valve area.
Recipe notes

Adapted from Hario UK; this guide specifies the glass 03 for extra headroom.

All timing is cumulative from first water. Pour 50 g (1.7 US fl oz), then another 200 g (6.8 US fl oz) to 250 g (8.5 US fl oz) total.

250 g (8.5 US fl oz) is water input, not finished serving. Open the valve at 2:00.

For an 02, consult the model notes below; do not force a larger closed-valve batch into a full cone.

Hario Switch immersion recipe: 15 g coffee, 250 g water at 92°C, pour 50 g at 0:00 and to 250 g at 0:30, open the valve at 2:00, finish near 3:00
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The glass 03 provides headroom for this recipe; timings are cumulative, and pressing the lever down ends the closed-valve steep.

Sizes: Switch 02 vs. 03

I choose the cone around the amount of water my closed-valve recipe holds at once. The grounds take up space too, so I want headroom while stirring rather than a brimful dripper I have to handle gingerly.

A pour-over can pass more water through a dripper than it can hold at once during immersion.

Glass Hario Switch 02 and 03: capacity labels are not recipe dosesScrollable table
Glass Hario Switch 02 and 03: capacity labels are not recipe doses
ModelMatching paperPublished specification and practical reading
Glass 02, SSD-200V60 02Hario lists about 200 ml (6.8 US fl oz) finished capacity. Its manual recipe adds approximately 240 ml (8.1 US fl oz) water to 20 g coffee.
Glass 03, SSD-360V60 03Hario lists 360 ml (12.2 US fl oz) dripper capacity. The larger cone gives extra room for our 250 g (8.5 US fl oz) water-input recipe.

The 02 manual's approximately 240 ml (8.1 US fl oz) is water input; approximately 200 ml (6.8 US fl oz) is finished capacity. It is a different, more concentrated starting recipe, with about two minutes of steeping before release. Those volume figures should not be silently relabeled as grams. Follow the instructions for the exact model you own; ceramic, MUGEN and other Switch-compatible cones are separate variants.

Hario Switch Ratio, Grind and Temperature

The main recipe is 1:16.7 by weight: 250 ÷ 15. A medium grind gives a useful starting point; there is no universal grinder setting. If flow is restricted, check the valve and filter before moving coarser. If the cup tastes weak despite a normal drain, compare a slightly finer grind as one controlled change.

The recipe starts at 92°C (198°F). A light roast may suit hotter water; a bitter or drying cup may benefit from less agitation or a different grind. Keep the recipe stable while comparing. The grind-size guide explains why names such as medium are starting descriptions rather than measurements.

Hybrid Recipe Example

A hybrid brew changes valve position during extraction. Ole Kristian Bøen's recipe, published by Hario Europe, is one concrete example for the glass 02: 16.5 g medium-fine coffee with staged water at 96°C (205°F). The pour weights below total 240 g (8.1 US fl oz); the source's ingredient list also describes the water as 240 ml (8.1 US fl oz).

Ole Kristian Bøen’s Switch sequence: cumulative water targetsScrollable table
Ole Kristian Bøen’s Switch sequence: cumulative water targets
Elapsed timeValve actionWater addedTotal water
0:00Closed for bloom50 g (1.7 US fl oz)50 g (1.7 US fl oz)
0:40Open and pour100 g (3.4 US fl oz)150 g (5.1 US fl oz)
1:30Close and pour90 g (3 US fl oz)240 g (8.1 US fl oz)
2:10Open for the final drainNone240 g (8.1 US fl oz)

The source aims for a finish near 3:00–3:15. This alternative shows how one timed sequence alternates steeping and draining. See the original recipe for its competition context.

Hario Switch vs. Clever Dripper

Both filter through paper, but the Switch opens with a lever; the Clever opens when set on a cup. Choose the Clever for a straightforward off-cup steep and release. Choose the Switch if opening and closing during the brew is a feature you will use. Filter shape differs too: V60 cone paper for the glass Switch, folded trapezoid paper for the Clever.

Hario Switch vs. V60

Leaving the Switch open gives a pour-over workflow, while an ordinary V60 has no built-in immersion valve. A V60 recipe remains a useful comparison, but filter fit, glass temperature and valve geometry can affect drainage. Compare drainage when switching brewers.

The Switch adds flexibility and more parts to clean. Paper keeps much sediment out of the cup. The MUGEN Switch uses a different cone design, so its one-pour recipes deserve their own treatment.

Hario Switch Troubleshooting

Hario Switch troubleshooting: valve, filter and cup checks
Hario Switch troubleshooting: valve, filter and cup checks
ProblemWhat to check first
Drains with the valve meant to be closedCheck the raised lever, ball and assembly once cool. A missing ball or poorly seated component prevents sealing.
Will not drain after openingConfirm the lever is fully open and the filter is not badly folded. Once safe, inspect for grounds around the valve.
Slow drawdownCompare a coarser grind or gentler agitation on the next brew, after checking the paper. Compare drawdown and flavor together.
Overflow risk while steepingStop pouring. Use a larger cone or a smaller recipe next time; do not confuse percolation batch size with holding capacity.
Coffee tastes too concentratedTry a little measured hot water in the finished cup before changing the entire brewing sequence.

Cleaning and Reassembly

Let the brewer cool, then wash with a soft sponge and mild detergent. Keep track of the small steel ball. The manual permits disassembly but requires correct reassembly; check the fit with cool water before hot brewing. Avoid abrasive cleaning and forceful pressure on the lever. Replace cracked glass rather than continuing to use it.

Hario Switch Caffeine, Calories and Serving Size

A 200 g (7.1 oz) serving of generic brewed black coffee represents about 80 mg caffeine, 2 kcal and 0 g sugar in USDA reference data. Milk, sugar and syrups change the nutrition. The recipe's water weight is an input, not a measured serving yield.

Serving assumptions and sources

USDA brewed coffee, NDB 14209, lists 40 mg caffeine, 1 kcal and 0 g sugar per 100 g; the example doubles those values. This is a generic serving reference, not a measurement of this brewer or recipe. Bean species, dose, extraction and the amount actually served affect caffeine. Some water remains in the discarded grounds.

Common Questions Before You Brew

Is the Switch Plastic-Free?

No. The standard glass model has a silicone base and a PCT resin lever; Hario USA explicitly notes that the plastic trigger contacts brewed coffee. Check materials for a different model or replacement part rather than assuming a glass cone makes the whole brewer plastic-free.

Do You Need Special Switch Paper Filters?

The glass 02 and 03 use matching V60 02 and 03 cone papers. Fold the seam and seat the paper properly. A Clever's trapezoid paper is a different shape.

Can You Keep the Valve Open for the Whole Brew?

Yes. Use a pour-over workflow and adjust by the cup and drawdown. Closing the valve halfway through turns it into a different recipe; note when you did so.

Does the Brew Need a Lid?

The glass Switch recipe here does not require a lid. Keep the specified dose, temperature and timing consistent before adding accessories or changing the thermal setup.

Editor's Take

Sources and Further Reading

5 references

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