Download wall hung toilet plumbing diagram, installation detail, and CAD drawing. Step-by-step guide with dimensions and fixing details.

A wall hung toilet plumbing system is widely used in modern residential and commercial buildings due to its aesthetic design, easy cleaning, and space-saving installation.

This guide provides a complete wall hung WC installation detail, including:

• Plumbing layout
• Fixing details
• Concealed cistern design
• CAD drawing download

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📐 What is a Wall Hung Toilet?

A wall hung toilet (wall-mounted WC) is a sanitary fixture mounted on a concealed frame, with:

• Hidden flush tank (concealed cistern)
• No floor contact
• Clean and modern finish

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⚙️ Components of Wall Hung Toilet System

🔹 1. Concealed Cistern

• Installed inside wall / duct
• Stores flushing water
• Connected to flush plate

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🔹 2. Support Frame (GI Frame)

• Heavy-duty metal frame
• Supports toilet load (up to 400 kg)
• Fixed inside wall

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🔹 3. Flush Plate

• External control panel
• Dual flush system

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🔹 4. Drainage Pipe

• 100 mm soil pipe
• Connected to stack

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🔹 5. Water Supply Line

• 15 mm CPVC / PPR pipe
• Connected to cistern

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🏗️ Wall Hung Toilet Plumbing Diagram (Step-by-Step)

🔹 Step 1: Drain Pipe Connection

• Use 100 mm soil pipe
• Provide proper slope
• Connect to vertical stack

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🔹 Step 2: Concealed Cistern Installation

• Fix cistern at height: ~1 meter from floor
• Ensure accessibility for maintenance

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🔹 Step 3: Frame Fixing

• Anchor frame to wall + floor
• Ensure alignment and level

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🔹 Step 4: Water Supply Connection

• Provide 15 mm pipe with stop valve
• Connect to cistern inlet

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🔹 Step 5: Finishing

• Cover frame with cement board / brick wall
• Install WC pan
• Fix flush plate

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📏 Standard Dimensions (VERY IMPORTANT)

Component	Dimension
WC Height	400–450 mm
Cistern Height	1000–1200 mm
Pipe Size (Drain)	100 mm
Water Supply	15 mm

👉 Key points:

• Maintain proper slope in drainage
• Provide access panel for maintenance
• Ensure waterproofing

🏭 Recommended Brands

🔹 Sanitary Brands:

• Kohler
• Hindware
• Geberit

💡 Advantages of Wall Hung Toilet

• Modern design
• Easy cleaning
• Space saving
• Concealed plumbing

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❌ Common Mistakes to Avoid

• Improper frame fixing
• No access panel
• Wrong pipe slope
• Poor waterproofing

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❓ FAQ (RankMath Schema Ready)

Q1: What pipe size is used for wall hung toilet?

👉 100 mm soil pipe.

Q2: What is standard height of wall hung WC?

👉 400–450 mm from finished floor level.

Q3: Is wall hung toilet strong?

👉 Yes, up to 400 kg load capacity.

Q4: Can I download CAD drawing?

👉 Yes, available on mepwork.in with email unlock.

📢 Why Download from MEPWORK?

• Free DWG files
• Ready-to-use drawings
• Designed for engineers
• Updated as per industry standards

 

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