Is It Time to Upgrade to a Hood Dishwasher?
Is It Time to Upgrade to a Hood Dishwasher? 6 Signs to Check.
What is a Hood (Pass-Through) Dishwasher?
A hood dishwasher is a taller, counter-height machine that accepts a 500 mm basket from an entry table. You pull the hood down to start the cycle, then slide the basket out to an exit table. The straight-through design boosts throughput and keeps staff upright—faster, safer, and more ergonomic during service.
6 Signs You Need a Hood Dishwasher
1) You’re pushing serious volume
- Regularly 100+ covers per service or frequent peaks.
- Hood machines run fast 2–3 minute cycles and handle back-to-back baskets with ease.
2) You want a smoother workflow
- Hood models integrate with entry/exit tabling and pre-rinse sinks.
- Dirty in → wash → clean out, all at waist height, reducing bottlenecks.
3) You wash larger or awkward items
- Typical loading height up to ~410 mm for big plates, trays and utensils.
- Less reloading, less handwashing around the edges.
4) You have (or can provide) the right power
- Most hood dishwashers need a hardwired electrical supply (often ~6.5 kW)—typically 30 A single-phase or a three-phase option.
- By contrast, many undercounter units are 13 A plug-in, so they’re simpler to install.
- Always check the exact spec for the model you’re considering and use a qualified electrician.
5) Ergonomics & safety matter
- No bending to floor level—loading is at counter height.
- Less strain for staff and a tidier, safer wash-up area.
6) You’re future-proofing
- If you’re near the upper limit of an undercounter, a hood gives room to grow.
- Tabling, pre-rinse and straight-through flow scale with your service.
When a Standard Undercounter is Still Enough
- Lower volumes (small cafés, bars or coffee shops).
- Very limited space where tabling won’t fit.
- Lower upfront cost and plug-and-play installation are priorities.
Installation & Compliance Essentials
Electrical: Hood machines typically require a hardwired supply. Confirm phase/amps with your electrician and the manufacturer’s spec.
Water quality: A water softener is strongly recommended to prevent limescale (a common cause of poor results and call-outs).
Backflow prevention: Where required, connect via a suitable air-gap/backflow device (e.g. Type AB air gap) to meet water regulations.
Drainage: Check whether your site needs gravity drain (low-level waste) or a drain pump (to lift to a higher outlet).
Tabling: Entry/exit tabling and pre-rinse sinks are often special order. Measure carefully to optimise flow.
Which Way Should You Go?
If speed, capacity and workflow are holding you back, a hood dishwasher is the right move. If you’re lower volume or space-constrained, a quality undercounter still makes sense. Not sure? We can help you with volumes, power and layout and recommend the right machine.
See Prodis JET100 (Entry-Level Hood) Tabling shown is sold separately
Call 01379 641223 for Advice
Main image shows the Prodis JET100 hood dishwasher with tabling. Tabling is shown for illustration and sold separately.
