Sanitary installation costs okay?

Hello,

next week I will speak with a sanitary installer about his offer. Attached is the cost overview regarding fresh water/sewage pipes including installation. Please take a look at the individual prices to see if they are exaggerated. I am particularly unsure about position 1.04.008 with the 55% surcharge on material, whether it has been calculated twice. As I understand it, each individual position already includes material and labor costs. I compared this randomly with internet prices. I assume about 30-40% labor costs on material, whereas the installer still receives large trade discounts, unlike the retail price on the internet... But that is okay for me. Many thanks in advance for your assessments!!

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He calculates the even meters of pipe in positions 1-7. In position 0008, then as an allowance, the bends, fastenings, etc. No double costs. I have not seen such a detailed offer, so I cannot say anything specific about it. But from the first overview (e.g. the [Enthärter]) very expensive.

In position 0008 then the allowance for bends, fastenings, etc.

Thank you! Is 55% on the straight running meters for bends/fastenings normal?

I also find the price for the descaling system a bit expensive. Ours will cost around €2000, yours over €3000.

Is that due to a difference in quality?

I also find the price for the descaling system a bit expensive. Ours will cost about €2000, yours over €3000. Is that due to a difference in quality?

No idea. I'll ask him. Online it says about €2500 without labor costs. Which models do you have?

No idea. I'll ask him. On the internet it says about €2500 excluding labor costs. Which models do you have?

Unfortunately, it is not as detailed for us as it is for you. Perla Duplex water softener system