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How should a dishwasher installation quote separate basic hookup from extra work?
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I’m comparing installation quotes for replacing a dishwasher, but I’m not sure whether they cover the same scope. The replacement model is supposed to fit the existing opening, although I still need the installer to verify the width, height, depth, and whether the surrounding cabinet or flooring will interfere.
The current setup has a water supply line, drain connection under the sink, and an electrical connection, but I haven’t confirmed whether the shutoff valve, outlet, and drain routing meet the installer’s requirements. I’m especially concerned that a quote described as a “standard installation” might not include:
- Cabinet or opening modifications if the new dishwasher doesn’t slide in cleanly
- Replacing a stiff or leaking shutoff valve
- Electrical changes, such as relocating an outlet or correcting an unsuitable connection
- Rerouting the drain hose or correcting the high loop/air-gap arrangement
- Removing and hauling away the old dishwasher
- Permit fees, if electrical or plumbing work requires one
- Final leak testing, drain testing, and leveling
For those who’ve reviewed or hired out dishwasher installations, what details should be listed separately on each quote so the prices can be compared fairly? Are cabinet modifications and drain-routing corrections normally treated as add-ons, and is it reasonable to ask the installer to inspect the existing connections before giving a firm price?
2 replies
I’d separate more than just “standard installation” versus “extras.” A drain or electrical correction that’s required by the dishwasher manufacturer or applicable code shouldn’t be presented as an optional upgrade.
For example, the quote could show:
- **Base hookup:** disconnect and remove the old unit, connect to an existing suitable supply, drain, and electrical connection, slide in, level, secure, and test.
- **Required corrections:** replace a leaking or nonfunctional shutoff, correct an unsuitable electrical connection, install the required high loop or air gap, or modify an opening that prevents proper installation.
- **Optional improvements:** replacing a serviceable valve proactively, upgrading the outlet location, or cabinet refinishing.
- **Uncertain conditions:** an allowance or stated hourly/material rate if the connections can’t be inspected before quoting.
Cabinet modifications and drain-routing work can be add-ons when the existing setup is genuinely usable as-is. But if the hose routing fails the manufacturer’s installation instructions, or the outlet and connection aren’t acceptable, that’s necessary installation work, not a discretionary extra. I’d ask the installer to inspect and photograph those conditions before issuing a firm price, and to state whether permit fees and haul-away are included or excluded.
I’d separate old-unit removal and haul-away from the base hookup rather than include them by default. Some installers will disconnect and move the dishwasher aside, but leave it onsite unless disposal was explicitly priced and accepted. Others charge different amounts depending on whether it can be taken through the doorway, whether there’s a recycling fee, or whether the retailer has a separate haul-away arrangement.
The quote should therefore state something like: “disconnect and remove old unit: included,” followed by “haul away and disposal: included/excluded, $___.” That avoids comparing one quote with disposal bundled in against another that only covers getting the old appliance out of the opening. It’d also be useful to specify who’s responsible if the old unit can’t be removed because of flooring, cabinetry, or a seized connection.
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