1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your new Clage M 3/SNM instantaneous water heater and faucet set. Please read these instructions carefully before installation and keep them for future reference. The Clage M 3/SNM is a hydraulically controlled instantaneous water heater designed for single hand basin supply, ideal for guest toilets or small kitchenettes. It provides instant hot water without storage, saving energy compared to traditional small storage heaters.

Figure 1: The Clage M 3/SNM set includes a compact instantaneous water heater and a chrome two-handle faucet, designed for immediate hot water supply.
2. Safety Instructions
Always observe the following safety precautions to prevent injury and damage to the appliance:
- Installation must be performed by a qualified electrician and plumber in accordance with local regulations and standards.
- Ensure the power supply matches the specifications of the unit (230V, 3.5kW).
- Do not operate the unit if it is damaged or malfunctioning. Disconnect from power immediately.
- This unit is designed for use with pressure-free fittings (low-pressure faucets) only. Using high-pressure fittings can damage the unit.
- Do not block the water outlet or modify the unit in any way.
- Keep children away from the appliance during operation.
- Before any maintenance or cleaning, always disconnect the power supply.
3. Product Overview
The Clage M 3/SNM system consists of two main components:
- Instantaneous Water Heater Unit: A compact, hydraulically controlled unit that heats water on demand. It features the IESS galvanized wire heating system for efficiency and longevity.
- Two-Handle Low-Pressure Faucet: A chrome-finished faucet designed to work seamlessly with the instantaneous water heater, providing hot and cold water control.

Figure 2: The included low-pressure two-handle mixer tap features a swivel spout and is designed for use with the instantaneous water heater.
4. Setup and Installation
The Clage M 3/SNM is designed for quick and easy installation, typically under a sink. It is suitable for replacing older 5-liter storage heaters.
4.1. Pre-installation Checks
- Verify that your electrical supply is 230V and has a 16A fuse for the 3.5kW unit.
- Ensure you have a suitable low-pressure faucet or use the one provided.
- Confirm sufficient space under the sink for the unit (approx. 29 x 29 x 22 cm).
4.2. Installation Steps
- Mount the water heater unit securely to the wall under the sink using the provided wall bracket.
- Connect the cold water supply to the unit's inlet.
- Connect the unit's hot water outlet to the hot water inlet of the low-pressure faucet.
- Connect the cold water supply to the cold water inlet of the faucet.
- Insert the supplied flow regulator into the faucet.
- Plug the unit's power cable (65 cm long, can be shortened if needed) into a grounded 230V Schuko outlet.
- Open the cold water supply and check for leaks.

Figure 3: This diagram illustrates the compact dimensions of the Clage M 3/SNM unit (18.6 cm width, 13.5 cm height, 8.7 cm depth) and its placement under a standard sink, along with the faucet dimensions (22.5 cm height, 16 cm width).

Figure 4: A simplified diagram illustrating the quick installation process (approx. 15 minutes) with a 230V Schuko plug, showing cold water (blue) and hot water (red) flow, and the recommended use of the supplied flow regulator.

Figure 5: This image demonstrates how the compact Clage M 3/SNM instantaneous water heater replaces larger, less efficient 5-liter storage units, saving space and reducing operating costs.
5. Operating Instructions
The Clage M 3/SNM provides hot water instantly upon demand.
5.1. Getting Hot Water
- Turn on the hot water handle of your faucet.
- The unit will automatically detect water flow and begin heating the water.
- Hot water will be dispensed almost immediately. The unit is designed to increase water temperature by approximately 25°C. For example, if the incoming cold water is 13°C (summer), the output will be around 38°C. If incoming water is 8°C (winter), the output will be around 33°C.
- Adjust the water temperature by mixing with cold water using the faucet handles as desired.

Figure 6: This graphic shows the temperature increase provided by the unit: 25°C warmer water, resulting in approximately 38°C in summer (from 13°C) and 33°C in winter (from 8°C).
6. Maintenance
Regular maintenance ensures the longevity and efficient operation of your Clage M 3/SNM.
- Cleaning: Clean the exterior of the unit and faucet with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Descaling: The IESS galvanized wire heating system is designed to minimize calcification. However, in areas with very hard water, periodic descaling of the faucet aerator may be necessary.
- Heating Cartridge: The heating cartridge is replaceable, contributing to the long service life of the unit. Replacement should be performed by a qualified technician.
- Leak Checks: Periodically inspect all water connections for any signs of leaks. Address any leaks immediately.

Figure 7: The Clage M 3/SNM, shown installed under a cabinet, is designed for easy maintenance and long-term reliability.
7. Troubleshooting
If you experience issues with your Clage M 3/SNM, consult the following table before contacting customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| No hot water | No power supply; Water flow too low; Unit malfunction. | Check power connection and circuit breaker; Ensure sufficient water pressure and flow; Contact qualified technician. |
| Water not hot enough | Incoming water too cold; Flow rate too high; Unit capacity exceeded. | Reduce water flow at the faucet; Ensure unit is correctly sized for your needs. |
| Water leaks | Loose connections; Damaged seals. | Tighten connections; Replace seals if necessary (contact technician). |
For problems not listed here or if solutions do not resolve the issue, please contact CLAGE customer support or a qualified service professional.
8. Specifications
| Feature | Detail |
|---|---|
| Manufacturer | CLAGE |
| Model Number | M 3/SNM |
| Product Dimensions | 29 x 29 x 22 cm (approx. 11.4 x 11.4 x 8.7 inches) |
| Item Weight | 1.5 kg (approx. 3.3 lbs) |
| Power Source | Electric Cord |
| Voltage | 230 Volts (AC) |
| Wattage | 3.5 KW |
| Capacity | 2 LPM (Liters Per Minute) |
| Heating Effect | Increases water temperature by approx. 25°C (e.g., to 38°C from 13°C, or 33°C from 8°C) |
| Efficiency Rating | A |
| Style | Under-sink + Two-handle faucet |
9. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or visit the official CLAGE website. For technical support, spare parts, or service inquiries, please contact CLAGE customer service directly. Ensure you have your model number (M 3/SNM) and purchase details ready when contacting support.
CLAGE is a certified manufacturer by ZVSHK and certified according to DIN EN ISO 9001:2015, ensuring high quality and service standards.





