Passes the wash, fails the final rinse
Usually the booster heater or a rinse valve rather than the machine. Also very often an incoming supply that is too cold because something upstream is competing for hot water.
A dish machine that cannot reach sanitizing temperature is a health code problem, not an inconvenience, and it is the piece of equipment most likely to fail an inspection while still appearing to work. Work covers fill and drain faults, wash and rinse pumps, booster heaters and final rinse temperature, chemical dosing on low-temperature machines, and the water supply, drain and backflow protection behind it, which is the licensed part of the job.
Enter your ZIP to see the businesses listed for this trade nearest to your site, with their phone numbers.
Most of these jobs land near $460. The full spread runs $200 to $2,800, and the gap between those two ends is diagnosis against replacement rather than one business being dearer than another.
What moves it: how much of the job is parts, whether the fault is found in the first hour or the third, access to the equipment, and the hour of the day you call. We never speak to the businesses listed here, so there is no rate card behind any of this. It is our own band for the category, and there is no regional index: the figure does not change with your metro.
| How soon you need it | Typical | Range |
|---|---|---|
| Scheduled visitBooked in advance, no urgency multiplier applied | $460 | $200 to $2,800 |
| Same dayOur band multiplied by 1.12 | $515 | $225 to $3,135 |
| Emergency calloutOur band multiplied by 1.35 | $620 | $270 to $3,780 |
Our estimate from national cost bands, not a quote from any business. Every row is the same band with the urgency multiplier the site applies everywhere else, so this table can never contradict the headline number. Ask for a written price before the work starts.
No California classification covers this work, which is the honest answer rather than a gap in our data. The state licenses the supply behind a machine, the gas line, the exhaust duct, the refrigeration circuit and the electrical feed, and it does not license the machine. So there is no register row to read and no license number to print, and a page that offered you a plumber for it would be inventing the match.
Which trade covers which machineEverything below is about our mechanism. We hold no hours for any business on this site, have never contacted one, and cannot tell you who is awake, so none of this is a promise that somebody answers.
Before you pay for a callout
We would rather you did not need a callout at all. These are the checks that end the most calls for this fault.
Try a quick fix first
Some issues resolve without a truck roll. Two minutes now can save the callout.
Check the incoming hot water first. A booster heater cannot reach final rinse temperature if the supply arrives cold, and that is a water heater problem rather than a dish machine one.
Clean the wash and rinse arms and the strainers before you call. Blocked jets are the most common cause of poor wash results and they are a five-minute job.
Read the machine's own gauges during a cycle and write the numbers down. Wash and rinse temperature is what an inspector reads, and it is what a technician needs.
On a low-temperature machine, check the chemical containers and the pickup tubes. An empty drum reads exactly like a failed doser.
Diagnosis
Written from how these faults actually present on a working premises, not from a manual.
Usually the booster heater or a rinse valve rather than the machine. Also very often an incoming supply that is too cold because something upstream is competing for hot water.
A door gasket, a curtain that has been removed, or a drain that is backing up. The last one is a plumbing job and the other two cost almost nothing.
Listed for this trade
Read from public license registers, so there is no ranking here and no distance: this page has no location to measure from. Enter your ZIP to sort by who is nearest to your site.
We have not imported a license register that covers this trade yet. When one lands the businesses appear here, and each listing carries the license number, the authority that issued it and a link back to the register entry.
By location
Local pages show which businesses are listed for that metro, how far out they sit, and the local conditions that drive demand.
Counted from the businesses we have imported for each metro center inside a 25 mile radius, and counting only those whose own license classification names this trade. General contractors licensed widely enough to take it on and subcontract it are excluded here, and still appear in a search. A metro reads “none yet” until we load a register that covers this trade there.
All coverage areasQuestions owners ask
Short, specific answers. If yours is not here, ask the business you call before you agree to the visit.
Related work
Batching jobs into one mobilization is the cheapest way to buy this kind of work.
Kitchen Equipment
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Five checks that take ten minutes, plus the three readings a refrigeration tech needs before loading the truck.
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A spring cooling check and a fall heating check cost $340 to $700, and they are what stand between you and a $9,000 unit replacement.
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Ready when you are
Search your ZIP to see the businesses listed for this trade nearest to your site, with the license numbers and phone numbers we hold, then call them yourself.