1. Bubuka
This manual provides essential information for the proper installation, operation, and maintenance of your Watts 1 LFU5B-LP-Z3 1-inch Water Pressure Regulator Valve. Please read these instructions thoroughly before installation and retain this manual for future reference. This valve is designed to reduce incoming water pressure to a safe and functional level for residential and commercial plumbing systems, protecting fixtures and appliances from high pressure damage.
2. Émbaran Kasalametan
- Always wear appropriate personal protective equipment (PPE) such as safety glasses and gloves during installation and maintenance.
- Ensure the main water supply is turned off and the system is depressurized before beginning any work on the valve.
- If you are not experienced with plumbing installations, it is recommended to consult a qualified professional.
- Do not exceed the maximum operating pressure or temperature specified for this valve.
- Pastikeun sadaya sambungan disegel kalayan leres pikeun nyegah bocor.
3. Produk Langkungview
The Watts 1 LFU5B-LP-Z3 is a high-quality, lead-free brass water pressure regulator valve designed for durability and reliable performance. It features a 1-inch inlet and outlet size with FNPT Union x FNPT connection types, making it suitable for various water applications.

Gambar 1: Watts 1 LFU5B-LP-Z3 1-Inch Water Pressure Regulator Valve. This image displays the brass body of the valve, including the inlet and outlet connections, and the adjustment screw at the top for pressure setting.
Fitur konci:
- Bahan awak: Kuningan tanpa kalungguhan
- Aplikasi: Cai
- Max. Tekanan: 300 psi
- Max. Suhu: 160 darajat F
- Pressure Adjustment Range: 10 nepi ka 35 psi
- Jenis sambungan: FNPT Union x FNPT
- Ukuran Inlet/Soutlet: 1 inci
- Standar: ASSE 1003, ANSI A112.26.2, CSA B356, UPC
4. Spésifikasi
| Spésifikasi | Nilai |
|---|---|
| Nomer modél | 1 LFU5B-LP-Z3 |
| Bahan Awak | Kuningan tanpa kalungguhan |
| Aplikasi | Cai |
| Ukuran Inlet | 1 inci |
| Ukuran Outlet | 1 inci |
| Tipe Sambungan | FNPT Union x FNPT |
| Rentang adjustment tekanan | 10 nepi ka 35 psi |
| Suhu maksimum | 160°F (71°C) |
| Tekanan Maksimum | 300 psi |
| Panjangna | 6-3 / 4 Inci |
| Jangkungna | 7-3 / 8 Inci |
| Item Beurat | 5.9 ons |
| Standar minuhan | ASSE 1003, ANSI A112.26.2, CSA B356, UPC |
5. Pamasangan
Proper installation is crucial for the optimal performance and longevity of your pressure regulator valve. It is recommended that installation be performed by a licensed plumber.
Léngkah-léngkah pamasangan:
- Pareuman suplai cai: Locate the main water shut-off valve for your property and turn it off.
- Sistim depressurize: Open a faucet at the lowest point in your system to drain water and relieve pressure.
- Pilih Lokasi: Install the regulator on the main water supply line after the main shut-off valve and before any branch lines. Ensure there is sufficient space for future maintenance.
- Orient Valve: The valve has an arrow indicating the direction of water flow. Install the valve so the arrow points in the direction of water flow into your property.
- Jieun sambungan: Use appropriate plumbing practices to connect the 1-inch FNPT Union x FNPT ends of the regulator to your plumbing system. Apply thread sealant (e.g., PTFE tape or pipe dope) to all threaded connections. Tighten securely but do not overtighten.
- Install Pressure Gauge (Optional but Recommended): Install a pressure gauge downstream of the regulator to monitor the regulated pressure.
- Mulangkeun suplai cai: Buka klep pareum cai utama lalaunan. Pariksa bocor dina sadaya sambungan.
- Ngabersihan hawa: Open faucets throughout the property to purge air from the system until water flows smoothly.
6. Operation and Pressure Adjustment
The Watts 1 LFU5B-LP-Z3 valve comes factory-set to a nominal pressure, but it can be adjusted within its specified range (10 to 35 psi) to meet your specific needs.
Nyaluyukeun Tekanan Outlet:
- Pastikeun Aliran Cai: It is best to adjust the pressure while water is flowing at a low rate (e.g., a partially open faucet) to get an accurate reading.
- Locate Adjustment Screw: The pressure adjustment screw is located at the top of the valve.
- Decrease Pressure: Hurungkeun screw adjustment counter-jarum jam to decrease the outlet pressure.
- Ningkatkeun Tekanan: Hurungkeun screw adjustment saarah jarum jam to increase the outlet pressure.
- Monitor Tekanan: Use a pressure gauge installed downstream of the regulator to monitor the outlet pressure as you make adjustments.
- Uji sareng Verifikasi: After adjustment, close all faucets and observe the static pressure on the gauge. Open a faucet again to verify the dynamic pressure. Repeat adjustments as necessary until the desired pressure is achieved.
7. Pangropéa
Regular inspection and maintenance can extend the life of your pressure regulator valve and ensure consistent performance.
- Inspeksi taunan: Annually check the valve for any signs of leaks, corrosion, or damage.
- Pariksa tekanan: Periodically check the outlet pressure with a gauge to ensure it remains at the desired setting. Fluctuations may indicate internal wear.
- beberesih: If the water supply contains sediment, the internal screen (if applicable) may need cleaning. This typically requires shutting off the water, depressurizing the system, and disassembling the lower portion of the valve. Refer to a qualified plumber for this procedure.
- Bagian ngagantian: Use only genuine Watts replacement parts if internal components need to be replaced.
8. Cara ngungkulan
This section addresses common issues you might encounter with your water pressure regulator valve.
Masalah umum sareng Solusi:
- No Pressure Reduction:
- Cukang lantaranana: Valve installed backward. Solusi: Check flow arrow and reinstall correctly.
- Cukang lantaranana: Debris lodged in valve. Solusi: Disassemble and clean valve internals (professional recommended).
- Cukang lantaranana: Diaphragm or seat worn out. Solusi: Replace internal components or the entire valve.
- Low Water Pressure (downstream):
- Cukang lantaranana: Setélan régulator handap teuing. Solusi: Adjust pressure setting clockwise to increase.
- Cukang lantaranana: Partially clogged valve. Solusi: Inspect and clean internal components.
- Water Hammer or Chattering Noise:
- Cukang lantaranana: Excessive flow velocity or worn components. Solusi: Ensure proper sizing; inspect and replace worn parts if necessary.
- Leaks from Valve Body:
- Cukang lantaranana: Sambungan leupas. Solusi: Tighten connections (ensure water is off first).
- Cukang lantaranana: Rusak O-cingcin atawa anjing laut. Solusi: Replace seals (professional recommended).
- Cukang lantaranana: Cracked housing. Solusi: Replace the entire valve.
If troubleshooting steps do not resolve the issue, contact a qualified plumbing professional or Watts customer support.
9. Émbaran jaminan
Watts products are manufactured to high-quality standards. For specific warranty terms and conditions applicable to the 1 LFU5B-LP-Z3 Water Pressure Regulator Valve, please refer to the official Watts website or the warranty documentation included with your purchase. Generally, Watts provides a limited warranty against defects in materials and workmanship under normal use and service.
10. Rojongan
For technical assistance, replacement parts, or further inquiries regarding your Watts 1 LFU5B-LP-Z3 Water Pressure Regulator Valve, please contact Watts customer support through their official websitus atanapi inpormasi kontak anu disayogikeun dina bungkusan produk anjeun.
Watts is a registered trademark. All rights reserved.





