Are these thermostatic or straight mixers- sick of replacing thermostat cartridges in an area with very hard water....

This is thermostatic but not great in controlling the temperature. There is a point very sensitive where the water gets straight too hot or lukewarm when turned back so very difficult to regulate if your desired temperature is around that spot .

is it easy to replace a mixer at a later date. I hope this is one of those that once installed the top bit (the mixer) can easy be swapped it required

Yes mixer can easily be replaced

i have grohe 19382000 eurosmart cosmopolitan single-lever bath mixer trim set. will this smart box compatible as concealed part?

Yes. My pump is behind tiles. Only the switch gear - lever for overhead and separate shower head is visible. This bread and butter for a plumber

Will this work with a salamander water pump. Plumber has stated it must be a low pressure unit due to the pump being used

I have this unit working with a 3bar pump no problems I believe the max bar is even higher than this

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GROHE Universal Rough-In Box (3 Outlets 1/2", 2 Inlets Below 1/2", Installation Depth 75-105 mm, Connection Unit in DR Brass, Pre-Mounted Flushing Plug, No Trim Set Included), 35600000

GROHE Universal Rough-In Box (3 Outlets 1/2", 2 Inlets Below 1/2", Installation Depth 75-105 mm, Connection Unit in DR Brass, Pre-Mounted Flushing Plug, No Trim Set Included), 35600000

Product ID: 55478026

Details

Door style
Pivot Hinged
Finish type
Polished
Material
Brass Plastic
Product dimensions
17D x 18.5W x
Style
Single

📏Adjustable depth 75-105 mm

🔧3x 1/2" outlets & 2x 1/2" inlets

🛡️Durable DR brass connection unit

€ 135.10

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Description

🚿 Elevate your shower’s foundation with precision and style!

FLEXIBLE MOUNTING OPTIONS - Designed for both solid walls and dry cladding, offering hassle-free installation tailored to your space.
ROBUST GERMAN ENGINEERING - Crafted with premium DR brass and a protective cover ensuring long-lasting durability and leak resistance.
CUSTOMIZABLE INSTALLATION DEPTH - Adjust installation depth from 75 to 105 mm to perfectly fit your wall structure and design needs.
VERSATILE PLUMBING COMPATIBILITY - Three outlets and two inlets sized at 1/2" for seamless integration with diverse shower setups.
PRE MOUNTED FLUSHING PLUG INCLUDED - Comes ready with a flushing plug and gasket for quick, clean commissioning—no extra parts needed.

The GROHE Universal Rough-In Box (model 35600000) is a premium, German-engineered plumbing component designed for concealed shower installations. Featuring three 1/2" outlets and two 1/2" inlets, it offers adjustable installation depth (75-105 mm) and robust DR brass construction. Its versatile mounting options and pre-mounted flushing plug make it the go-to choice for professionals seeking reliable, high-quality shower system foundations.

Specifications

ASIN	B071FC4TST
Assembly Instructions Description	Assembly required. Instructions included.
Best Sellers Rank	30,890 in DIY & Tools ( See Top 100 in DIY & Tools ) 2 in Shower Taps
Brand	GROHE
Colour	Blue
Country of Origin	Germany
Customer Reviews	4.6 4.6 out of 5 stars (1,312)
Door Style	Pivot, Hinged
Finish	Polished
Global Trade Identification Number	04005176413469
Handle Type	Push
Included Components	Universal rough-in box
Installation Type	Screw-In
Is Assembly Required?	Yes
Is Framed	No
Item Dimensions D x W x H	17D x 18.5W x 18.5H centimetres
Item Type Name	Universal rough-in box, 1/2"
Item Weight	1 Kilograms
Manufacturer	GROHE
Manufacturer Warranty Description	5 year manufacturer.
Material	Brass, Plastic
Model Number	35600000
Number Of Panels	1
Number of Doors	2
Number of Items	1
Part Number	35600000
Shape	Rectangular
Style	Single
Unit Count	1.0 count

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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€ 135.10

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Netherlands.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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