The pump end to the dishwasher is 1 1 4 id opening the sink end is 7 8 reduceable to 3 4 or 5 8 with markers on the hose for easy trimming with a utility knife.
Dishwasher drain hose replacement cost.
To add in replumbing to bypass the garbage disposal legal in most but not all jurisdictions probably another 25 parts or so and from zero to 75 extra labor.
A defective pump or loose spray arm.
Assuming no new parts are needed a plumber can probably fix this in about 1 2 hour so minimum service charge of about 75 150 except up to 250 range in high priced cities.
Standard kitchen plumbing will take about 60 hours and will cost 2 700 3 900.
A plumber will cost 45 65 hour while plumbing lines cost about 3 10 per linear foot.
A worn out control panel.
The dishwasher air gap is mounted above the sink and prevents contaminated water from re entering the dishwasher from the drain via backflow.
Dishwasher repair prices by brand.
Need to install new plumbing from scratch.
Blocked or kinked drain hose.
The danco complete air gap assembly with brushed the danco complete air gap assembly with brushed nickel air gap cap prevents sewage from flowing back into the dishwasher.
Total cost could be 75 165.
For example the cost to replace dishwasher pump is about 70 and a dishwasher heating element replacement will cost between 35 and 200.
Some replacement parts are relatively inexpensive while others can really add to your total bill.