Installation Guide for Watermark Shower Mixer Tap Conceal Bath Faucet Hand Held Set Stainless Steel

(1) Pre-installation Notes

The watermark shower mixer tap conceal bath faucet hand held set stainless steel manufactured by Chinese faucet factory is a premium product certified by international Watermark standard. Before installation:

1. Verify wall structure meets recessed requirements (concrete wall thickness≥10cm, lightweight walls need reinforcement)
2. Hot/cold water pipe spacing must strictly comply with 150mm±2mm standard
3. Professional plumber recommended to ensure compliance with AS/NZS 3500.1

(2) Required Tools

For installing watermark shower mixer tap conceal bath faucet hand held set stainless steel:

• Laser level (accuracy 0.5mm/m)
• 25mm hole saw
• Torque wrench (15-20N·m)
• Waterproof sealant (AS 3740 compliant)
• Pressure tester (0-1MPa range)

(3) Preparation Steps

1. Shut off main water supply and drain pipes
2. Use pipe detector to confirm no electrical wires/other pipelines
3. Mark tile positions using template from Chinese faucet factory
4. Pre-install valve bracket and conduct waterproof test (30min at 0.8MPa)

(4) Standard Installation

1. Embed valve body into bracket using stainless bolts (M8×60)
2. Use specific expansion tool for PEX-A pipe connections
3. Recommended overhead shower height: 2-2.2m (laser positioning required)
4. Handheld shower rail vertical deviation ≤1°

(5) Testing & Inspection

1. Initial 30min flushing (flow rate≥8L/min)
2. Thermostatic test: 38℃±1℃ stability
3. Check all joints with fluorescent leak detector
4. Flow switching test ≥500 cycles

(6) Troubleshooting

1. Temperature fluctuation:

• Check pressure balance (difference≤0.05MPa)
• Clean filter (120mesh standard from Chinese faucet factory)

2. Uneven cover plate:

• Adjust with 0.1mm shims
• Verify recessed box verticality

(7) Safety & Maintenance

1. Monthly pressure balance valve inspection
2. Quarterly descaling (pH 5.5-7.5)
3. Chinese faucet factory recommends seal replacement every 2 years
4. Avoid acidic cleaners (pH<4 damages stainless finish)