Description Geyserwise TSE1 ESPHome Wi-Fi Controller Kit Complete Local Smart Geyser Controller for Home Assistant Take complete control of your hot water system with the Geyserwise TSE1 ESPHome Wi-Fi Controller Kit. Designed for standard electric geysers and thermosyphon solar water heating systems, this complete controller kit transforms your existing Geyserwise installation into a powerful, locally controlled smart device. Professionally modified and pre-flashed with ESPHome, this controller integrates directly with Home Assistant, allowing you to monitor temperatures, automate heating schedules, receive alerts, and manage your geyser entirely from your local network—without cloud services, subscriptions, or vendor lock-in. Whether you’re building a fully local smart home or simply looking to reduce electricity costs through intelligent automation, this kit delivers a reliable, privacy-focused solution built around one of the world’s most popular open-source smart home platforms. Need Geyserwise Accessories? Looking for additional Geyserwise accessories such as flanges, probes, thermostats, sensors, or replacement parts? We can supply a wide range of genuine Geyserwise components. Simply email [email protected] with your requirements, and our team will be happy to assist you. Complete Controller Kit Everything required for installation is included. The kit contains: Geyserwise TSE1 display with integrated ESPHome Wi-Fi module Power supply and control unit Electronic thermostat High-temperature sensor probe Required cables and connectors Installation instructions Designed as a complete replacement controller for compatible Geyserwise systems. Native Home Assistant Integration Unlike cloud-based smart controllers, this kit is designed specifically for Home Assistant users. Pre-installed ESPHome firmware provides: Automatic Home Assistant discovery Local Wi-Fi communication Native ESPHome support Fast and responsive control Reliable operation without cloud services Once connected to your network, your geyser becomes another fully integrated Home Assistant device, ready for dashboards, automations, and energy management. 100% Local Control Your geyser should continue working even when your internet connection doesn’t. Because ESPHome communicates directly over your local network, you benefit from: No cloud dependency Greater privacy Faster response times Improved reliability No subscription fees Complete ownership of your data Everything remains under your control. Intelligent Geyser Automation Unlock powerful automation possibilities with Home Assistant. Monitor and control: Water temperature in real time Heating status Heating schedules Temperature set points Notifications and alerts Energy-saving routines Create automations such as: Heat water before your morning routine Disable heating when electricity tariffs are highest Heat using surplus solar PV production Receive alerts if temperatures become unusually high or low Integrate with occupancy, weather, or load-shedding automations The possibilities are virtually limitless. Designed for Thermosyphon Solar & Standard Electric Geysers The TSE1 controller is ideal for: Standard electric geysers Thermosyphon solar water heating systems Residential hot water systems Existing compatible Geyserwise installations It offers a straightforward upgrade path for homeowners wanting modern smart functionality without replacing their entire water heating system. Professionally Modified & Fully Supported Every controller is converted with an ESPHome-compatible chipset and thoroughly tested before dispatch. Benefits include: Professionally assembled hardware Pre-installed ESPHome firmware Quality-tested operation Full product warranty Ready for installation No soldering, firmware flashing, or hardware modification is required. Save Energy with Smarter Heating Water heating accounts for a significant portion of household electricity consumption. By integrating your geyser into Home Assistant, you can: Heat water only when needed Automate around off-peak electricity tariffs Coordinate heating with rooftop solar production Avoid unnecessary reheating cycles Reduce electricity costs without sacrificing comfort Smart automation helps maximise efficiency while ensuring hot water is available when you need it. Technical Highlights Specification Details Controller Geyserwise TSE1 Firmware ESPHome (Pre-installed) Connectivity Wi-Fi Smart Platform Home Assistant Operation Local Control (No Cloud Required) Suitable For Standard Electric Geysers & Thermosyphon Solar Systems Included Display, Power Supply, Thermostat, High-Temperature Probe & Cables Compatibility This controller kit is compatible with: Standard electric geysers Thermosyphon solar water heating systems   Why Choose the Geyserwise TSE1 ESPHome Wi-Fi Controller Kit? The Geyserwise TSE1 ESPHome Wi-Fi Controller Kit is the ideal upgrade for homeowners who want complete local control of their hot water system without compromising privacy or reliability. By combining proven Geyserwise hardware with professionally integrated ESPHome firmware, this kit delivers seamless Home Assistant integration, intelligent automation, and dependable operation—all while helping reduce energy consumption and making your geyser a fully connected part of your smart home. Whether you’re building a fully local smart home or simply looking for a smarter way to manage your geyser, this controller provides a future-ready solution with no cloud dependency and complete control over your data.