Key facts
- Manuals
- 6
- Languages
- JA
- Last added
- 2012-02-04
Featured INAX manuals

INAX SF-B450SX SF-B450SXN SF-B451SX SF-B451SXN SF-C450SX SF-C450SXN SF-C451SX SF-C451SXN SF-B452SX SF-B452SXN SF-B453SX SF-B453SXN Manual
This manual explains safe installation and use of the INAX single‑lever mixed faucet with hand spray. It includes safety precautions, features, part names, and detailed operating instructions.
It also covers maintenance, winter‑freeze procedures, after‑service contact information, and the two‑year warranty terms for the listed models. This manual is written in Japanese.
Covers: Safety Precautions · Features · Names of Parts · Operation Instructions · Usage Precautions · Winter Freeze Precautions

INAX KS-602 Toilet Sound Device User Manual
This manual provides step‑by‑step instructions for installing the INAX KS‑602 toilet sound device, a wall‑mounted unit that produces a water‑flow sound when the switch is pressed. It covers recommended mounting locations, wiring options, and safety precautions to ensure reliable operation.
Operating instructions describe how to activate the sound for about 20 seconds, extend it by pressing the switch again, and adjust volume using the adjustment screw. Battery replacement, cleaning, and after‑sales service information, including a one‑year warranty, are also detailed. This manual is written in Japanese.
Covers: Features · Safety Precautions · Operation · Installation · Battery Replacement · Volume Adjustment

INAX BF-7135S/BF-7135SN/BF-M135S/BF-M135SN User Manual
This manual begins with safety precautions, emphasizing the need to read and keep the instructions for future reference. It warns about risks such as burns from hot water, water pressure issues, and damage caused by improper handling or freezing conditions.
The guide then explains the features of the valve, how to adjust flow and temperature using the lever, how to switch between shower and bath modes, and special procedures for winter use, including water drainage and protection against freezing. After‑service information, warranty details, and contact numbers for INAX support are provided at the end. This manual is written in Japanese.
Covers: Safety Precautions · Product Features · Flow Adjustment · Temperature Adjustment · Shower/Bath Switch · Winter Freeze Procedure

INAX A-3830 A-3830-10 A-3830-50 Manual
The manual explains how to safely replace the head parts of the INAX A-3830 water faucet. It includes safety precautions, required tools, and detailed step‑by‑step instructions for disassembly, part replacement, and re‑assembly.
After completing the replacement, the guide advises cleaning the faucet interior, aligning the new head part, tightening the fixing nuts correctly, and verifying that the lever operates smoothly without leaks. This manual is written in Japanese.
Covers: Safety Precautions · Parts Replacement Overview · Step‑by‑Step Replacement Procedure · Final Checks and Leak Test · Customer Support Contact Information
Latest INAX manuals
INAX SF-B450SX SF-B450SXN SF-B451SX SF-B451SXN SF-C450SX SF-C450SXN SF-C451SX SF-C451SXN SF-B452SX SF-B452SXN SF-B453SX SF-B453SXN Manual
User Manual 16 pages · 218 KB · JAThe INAX SF‑B450SX series user manual provides safety instructions, operation steps, maintenance, and warranty information for single‑lever mixed faucets.
INAX KS-602 Toilet Sound Device User Manual
User Manual 12 pages · 563 KB · JAThe INAX KS-602 toilet sound device manual explains installation, operation, battery replacement, maintenance, and warranty.
INAX BF-7135S/BF-7135SN/BF-M135S/BF-M135SN User Manual
User Manual 12 pages · 228 KB · JAThe INAX BF-7135S, BF-7135SN, BF-M135S, and BF-M135SN faucet and shower mixing valve user manual provides safety instructions, operation, adjustment, and…
INAX A-3830 A-3830-10 A-3830-50 Manual
Service Manual 1 pages · 143 KB · JAThis INAX A-3830 service manual provides safety instructions and step‑by‑step parts‑replacement procedures.
INAX PK-50-1001-2 Parts Replacement Manual
User Manual 1 pages · 69 KB · JAThis INAX PK-50-1001-2 parts replacement manual provides step‑by‑step instructions for changing the ball tap diaphragm packing.
INAX GL‑A74 Water Faucet Installation Guide
Installation Guide 2 pages · 548 KB · JAThis guide provides safety instructions and step‑by‑step installation procedures for the INAX GL‑A74 water faucet series.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Service Manual
Disassembly, diagnostics and part numbers, for repair.
Installation Guide
Mounting, wiring and first power-up. Read it before the hardware goes in.
Questions answered in INAX manuals
What water temperature should I set to avoid burns?
Do not set the water heater above 85 °C; a temperature of 60 °C is recommended.
How can I prevent freezing of the faucet in winter?
When freezing is expected, follow the water‑drain procedure described in the manual.
How do I adjust the water flow?
Raise the lever to increase flow; lower it to stop the water.
From: INAX BF-7135S/BF-7135SN/BF-M135S/BF-M135SN User Manual
How do I change the water temperature?
Turn the lever left to raise temperature and right to lower it.
From: INAX BF-7135S/BF-7135SN/BF-M135S/BF-M135SN User Manual
What should be done after installing the new head part?
Wash the faucet interior, align the new head part with the opening, tighten the fixing nut, and check for smooth lever operation and any leaks.
What should be checked after reassembling the ball tap?
After reassembly, operate the tap to confirm normal function and verify that there are no water leaks or other defects.
