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Five important points for choosing GRANDJOY: First, lifetime warranty, free guarantee for any product quality problems, permanent free shower core replacement. Second, quality assurance, made of solid brass and 304 stainless steel, never rust, long service life, can be used more than 600,000 times; rain shower head has silicone nozzles, anti-clogging, easy to clean, anti-oxidation, corrosion resistance. Third, after salt spray and 10-layer electroplating test, it can easily cope with the surface corrosion of shower room in humid environment. Nano brushed technology, anti-fingerprint, anti-water stain, anti-rust, anti-paint loss, even for long-term use, can keep as new. Fourth, combined with ultra-thin air technology, mixing water and air with a water flow rate of (9.5L/min) and water pressure increased to 100%, providing a powerful high-pressure spray even in low water pressure environments, simulating natural rainfall and bringing a natural water experience. Fifth, the GRANDJOY shower system is cUPC certified and meets California standards with standard 1/2-inch U.S. plumbing connections for easy installation.

Lifetime Warranty
Our products come with a lifetime warranty and technical support. If you have any questions, please feel free to contact our customer service email. We are always here to serve you.
Extended Lifespan
The product has undergone over 600,000 lifespan tests and is certified by cUPC, guaranteeing the quality and safety of the product while significantly increasing its lifespan. It also features high-performance anti-water hammer and leak-proof capabilities.

Upgraded Pressure Balance Valve
Equipped with the renowned HanYo pressure balance valve, this product includes an upgraded anti-scald feature, making it particularly friendly for seniors and children.
Dual Shower Heads
With two square shower heads, the installation height can be adjusted based on your preferences. The 12-inch shower head provides full-body coverage, while the 6-inch shower head allows for quick hair rinsing without getting it wet.

LED Real-time Temperature Display
Featuring a real-time temperature display function, you can monitor the water temperature and shower duration, allowing for convenient adjustments as needed.
Upgraded Materials
Made with stainless steel, the product offers corrosion resistance. The surface is coated with a 10-layer plating technology to prevent fingerprints and water stains, keeping the entire bathroom clean and tidy.

High Water Flow
The shower head utilizes air-boosting technology, providing a stable 2.5GPM high water flow rate. The 59-inch stainless steel hose enables easy access to hard-to-clean areas.
Easy Installation
Designed with NPT1/2 inlets and outlets that meet US standards, all products come with a complete set of accessories and installation instructions to help you assemble them quickly."
Q1: What materials are the showerheads and faucets made from?
A1: Our showerheads and faucets are primarily made from high-quality brass and stainless steel, ensuring durability and resistance to corrosion.
Q2: What is the flow rate of your showerheads?
A2: Our product flow rates vary depending on their usage: general showerheads have a flow rate of 2.5 gallons per minute (GPM), basin faucets are at 1.2 GPM, bathtub showers also have a flow rate of 2.5 GPM, and kitchen faucets operate at 1.8 GPM.
Q1: Do I need professional help to install my new showerhead or faucet?
A1: All our shower systems are suitable for new or remodeled bathrooms. Installation requires tile/fixture removal and re-piping, so we recommend consulting your plumber before purchase. Most accessory products can be self-installed.
Q2: Are all the necessary installation parts included with the product?
A2: Yes, our products come with all essential mounting hardware and instructions. Please ensure to check the package contents upon receipt.
Q1: Do your products come with a warranty?
A1: Yes, we offer a lifetime limited warranty on all our showerheads and faucets. We warrant our products to be free from defects in manufacturing, materials, and workmanship within the warranty period. We do not warranty damage that occurs from inappropriate use. Warranty is valid from the date of purchase to the original purchaser (consumer) only
Q2: How can I contact support if I encounter issues with my purchase?
A2: If you have any further questions or need additional support, please feel free to contact us at info@grandjoyfaucet.com or call our customer support team at 1-888-969-6880.
Q1: What is the difference between a thermostatic valve and a pressure balance valve?
A1:
Thermostatic Valve:
Pressure Balance Valve:
Q2: Which valve type is better for preventing scalding?
A2: Both valves offer scald protection, but a thermostatic valve provides more precise temperature control, making it superior for preventing scalding, especially in households with young children or elderly individuals.