
Energy Saving Tankless Water Heater
SZH's smart toilet control board PCBA is designed for premium electronic bidets, integrating seat heating, energy-saving algorithms, and multi-layer safety protection for enhanced user experience. With over 10 years of expertise, we provide ODM/OEM solutions for global brands, leveraging advanced R&D in precision molds and vertically integrated supply chains for fast delivery and cost efficiency. Annual production capacity exceeds 2 million units, SZH provide flexible customization, empowering clients to lead the smart bathroom market.
- SZH
- China
- Information
1. Product Overview
This instant water heater is designed for smart toilets, utilizing advanced rapid-heating technology to deliver hot water within 1-3 seconds, eliminating the drawbacks of traditional tank-based heaters, such as long wait times, high energy consumption, and bacterial growth.
1.1 Key Advantages
✅ Instant Heating – No water storage, immediate hot water supply.
✅ Precise Temperature Control – ±0.5°C PID algorithm, adjustable (30°C~45°C).
✅ Energy Efficient – ≥98% thermal efficiency, standby power ≤0.5W (meets China Grade 1 Energy Standard).
✅ Safety Assurance – Water-electricity isolation, with dry-burn, overheat, and leakage protection.
1.2 Applications
Residential smart toilets (enhanced comfort and hygiene)
Commercial high-end bathrooms (hotels, hospitals, offices)
Retrofit for traditional toilets (compatible with low water pressure)
2. Technical Specifications
3. Product Structure
3.1 Core Components
Heating Unit: Nickel-chromium alloy tube with nano-ceramic coating (anti-scaling)
Control Module: STM32 MCU + High-precision NTC sensor
Waterway System: 316L stainless steel channel + Food-grade silicone seals
Housing Material: Flame-retardant PP (UL94 V0)
3.2 Connection Interfaces
Water Inlet: G1/2" external thread (standard angle valve compatible)
Water Outlet: φ8mm quick-connect fitting
Power Input: 3-pin waterproof plug (1.5m cable)
Custom Smart Toilet Mainboard PCBA
Modular Function Design
l Core Functions (Rapid Integration)
Heating | Cleaning | Control | Hygiene |
Seat heat | Bidet wash | Power-off flush | Nozzle clean |
Dry heat | Feminine wash | Foot-sense flush | Foam shield |
Temp adjust | Massage spray | Auto flush |
|
l Advanced Customization
- Electronic Extensions:
• IoT Control: APP/Wireless remote
• HMI: Smart display + Voice feedback
• Health: urinalysis (interface reserved)
- Mechanical Synergy:
• Auto-lid motor drive optimization
• Precision foam generator control
End-to-End Development
Vertical Manufacturing Advantage:
• Mold R&D: fast structural development (solves deformation/leaks)
• Electro-mechanical integration: Unified PCBA & heating module design
• Pilot to mass production: in-house SMT+assembly to ensure fast production
Competitive Benchmarking
Traditional Development Pain Points | Our Solutions | Technical Support |
slow development due to excessive feature integration | Modular design + pre-reserved interfaces | patent portfolio |
Electro-mechanical design misalignment | Parallel electro-mechanical co-development | In-house mold center + SMT production lines |
Lengthy certification cycles | Pre-validated architecture (50% test time reduction) | 10-year ODM empirical database |
Transform your smart toilet concept into a market-ready product. Welcome to contact with us today for a personalized proposal with functional prototypes, BOM optimization analysis, and turnkey delivery schedule.