Thermostatic Shower System

**Product Name**

2027 New 40°C Thermostatic Shower System — Piano-Key 4-Function Solid Brass Rainfall Shower Set with Integrated Storage Shelf. This flagship 2027 shower system combines precise 40°C thermostatic temperature control, elegant piano-key push-button controls, a large square rainfall shower head, a multi-function handheld shower, a pressure boost sprayer and a lower tub spout — all in one complete package. The integrated storage shelf provides convenient space for shampoo, body wash and soap within easy reach. Crafted from precision solid brass with a chrome, gunmetal grey, matte black or white finish, this shower set delivers a spa-like bathing experience with flagship-level design and performance. From GUOREN — a manufacturer with 20 years of dedicated thermostatic technology research and development.

**Material**

The main body, thermostatic valve and shower arm are forged from 100% precision solid brass — the same high-grade brass used in premium commercial and hospitality plumbing. Precision solid brass offers exceptional dimensional stability, corrosion resistance and long-term durability, which is critical for thermostatic valves where consistent internal tolerances directly affect temperature accuracy. The 40°C thermostatic cartridge uses high-quality temperature-sensitive wax elements that respond instantly to water pressure and temperature fluctuations, maintaining a constant 40°C output within ±1°C — the ideal shower temperature for comfort and safety. The surface is finished with high-grade multi-layer chrome plating, gunmetal treatment, matte black baked paint or white baked paint — all applied with precision processes for superior scratch resistance, tarnish resistance and long-lasting finish integrity. The square rainfall shower head and handheld shower use durable ABS faces with flexible silicone nozzles that are easy to wipe clean and resist lime scale buildup.

**Function**

The 40°C thermostatic valve automatically maintains your selected water temperature — set it once and enjoy consistent 40°C warmth throughout your shower, with an anti-scald safety feature that instantly cuts hot water if cold water pressure drops suddenly, protecting children and elderly users from burns. The four piano-key push buttons provide elegant, tactile one-touch switching between the square rainfall shower head, the handheld shower, the pressure boost sprayer and the lower tub spout — simply press a key to select your desired output. The piano-key design offers a more premium, durable and intuitive operation than traditional rotary diverters, with no stiff handles or seized valves over time. The large square rainfall shower head delivers a wide, drenching rain-like spray that covers the entire body. The handheld shower offers flexible rinsing and targeted cleaning. The pressure boost sprayer delivers a powerful jet for cleaning the shower enclosure, floors and hard-to-reach areas. The lower tub spout provides a steady flow for filling buckets, basins or foot baths. The integrated storage shelf keeps all your bath essentials organized and within arm’s reach.

**Specifications**

– Model: GR-TZW-20-01

– Body Material: 100% Precision Solid Brass

– Valve Type: 40°C Thermostatic Mixing Valve (constant temperature, anti-scald)

– Control Type: Piano-Key Push Buttons (4 independent keys)

– Shower Head: Large Square Rainfall Head

– Handheld Shower: Multi-Function Handheld

– Sprayer: Pressure Boost Jet Sprayer

– Tub Spout: Lower Water Outlet Included

– Output Functions: Rainfall / Handheld / Sprayer / Tub Spout — 4 total functions

– Integrated Feature: Large Storage Shelf for bath products

– Finishes: Chrome / Gunmetal Grey / Matte Black / White

– Surface Treatment: Multi-Layer Chrome Plating / Baked Paint

– Certification: WARS Certified

– Style: Modern Minimalist / Luxury Contemporary

– Category: Thermostatic Shower System / Complete Shower Set

– MOQ: 20 Units (bulk order, made to order)

– Lead Time: 30 Days (custom production to order)

– Origin: Jiangmen, Guangdong, China

**Standards**

Every unit undergoes 100% thermostatic calibration testing, leak testing and high-pressure water testing before shipment — critical for thermostatic systems where temperature accuracy and leak-free performance are non-negotiable. The 40°C thermostatic cartridge meets international temperature-control and anti-scald safety standards (EN 1111 / ASME A112.18.1 compliant performance) for residential and commercial plumbing applications. The precision solid brass construction complies with common export material requirements for Europe, North America, the Middle East, Southeast Asia, Africa and South America. The chrome-plated and painted surfaces pass standard corrosion and adhesion testing (24-hour salt spray) for long-term finish integrity in humid shower environments. This product is WARS certified and designated as a cross-border exclusive (跨境专供), optimized for international export with global market coverage across all major platforms. The factory is a verified 4-year manufacturer in Jiangmen, Guangdong — China’s premium thermostatic plumbing manufacturing cluster — with 20 years of dedicated thermostatic technology research and development, and full OEM customization capability.

**Application**

Perfect for luxury residential bathrooms including master ensuites in villas, penthouses, designer homes and high-end new constructions — where precise 40°C thermostatic comfort, elegant piano-key controls and a refined, clutter-free aesthetic are the primary design goals. Also the premium choice for boutique hotels, luxury resorts, high-end B&Bs, spa facilities, wellness centers, private clubs and upscale hospitality projects — where anti-scald thermostatic safety is essential for guest protection, and the integrated storage shelf and intuitive piano-key operation elevate the guest experience. The 40°C constant temperature is especially valuable for families with children, elderly users or anyone who values a consistent, comfortable shower without manual temperature adjustment. A flagship product for cross-border sellers targeting North American and European luxury renovation markets — where thermostatic shower systems are the fastest-growing segment in high-end bathroom design, and the latest 2027 piano-key design with integrated shelf stands out from conventional chrome shower sets.

**Key Advantages**

**Precision 40°C thermostatic control** — maintains constant 40°C within ±1°C with instant anti-scald shutoff, backed by 20 years of dedicated thermostatic technology R&D — a flagship feature rarely found at this level of refinement.
**Elegant piano-key push buttons** — four independent piano-style keys deliver premium tactile one-touch switching that never seizes or stiffens, elevating the shower experience beyond ordinary push-button or rotary controls.
**Complete 4-function system** — large square rainfall head, multi-function handheld, pressure boost sprayer and lower tub spout — every shower need covered in one elegant package.
**Integrated large storage shelf** — built-in platform for shampoo, body wash and soap within easy reach, eliminating the need for separate shower caddies and keeping the bathroom tidy.
**100% precision solid brass construction** — high-grade brass body and thermostatic valve for dimensional stability, corrosion resistance and decades of reliable temperature accuracy.
**Four luxury finishes** — chrome, gunmetal grey, matte black and white to match any high-end bathroom decor from modern minimalist to luxury contemporary.
**WARS certified & cross-border exclusive** — certified quality optimized for international export, with global market coverage across all major platforms.
**Latest 2027 flagship design** — the newest generation of thermostatic shower technology, combining piano-key aesthetics, integrated storage and precise 40°C comfort in one statement-making system.

**Customization / OEM Service**

We fully support OEM and private label branding for bulk orders. Your logo can be laser-engraved on the control panel, escutcheon plate, shower arm, handheld shower or storage shelf. Custom finishes, colors and special surface treatments are available for large orders. We provide custom retail packaging, branded product labels, multilingual installation manuals and dedicated product photography support for your WooCommerce / WordPress independent store or marketplace listings. Factory-direct from Jiangmen, Guangdong, with a minimum order of 20 units for standard configurations. Please note that this is a made-to-order flagship product with a 30-day lead time — each unit is manufactured to order, individually thermostatic-calibrated and undergoes comprehensive pressure and leak testing before dispatch. Larger orders receive priority production scheduling, dedicated project management, competitive unit pricing and comprehensive pre-shipment quality inspection. We also welcome custom product development — share your design specifications and our 20-year thermostatic engineering team can develop a bespoke shower system for your brand.