3.5kw~6.5kw Electric Water Heater

Built for instant electric water heaters, this customizable PCBA supports 85–280 VAC input, 3.5–5.5 kW power settings, five-key touch control, 30–55°C adjustment, four-wire flow sensing, setting memory, intelligent constant-temperature control, and multiple protection functions.

HS-CT-8545D-6KEY-V1.8 is an instant electric water heater PCBA with 85–280 VAC input, six-key touch control, 30–55°C adjustment, 50K NTC sensing, flow activation, and E2–E5 safety diagnostics. SunSam provides hardware, firmware, prototyping, testing, and mass production for OEM/ODM projects.

HS-HX-8545-ALL is a 6-key remote-control instant electric water heater PCBA for smart shower and household hot-water appliances. AC 85–280 V input, 4–6 kW settings, six preset modes, flow sensing, parameter memory and protection functions support customized SUNSAM OEM/ODM projects.

RSQ-52LB is an anti-freeze instant electric water heater PCBA for compact shower and household hot-water appliances. AC 180–265 V input, three power settings, 20–55°C control, low-flow activation, sensor protection and parameter memory support SUNSAM OEM/ODM projects.

HS-HX-7373 is a 5-key WiFi instant electric water heater PCBA for smart shower and household hot-water appliances. AC 150–280 V input, eight power levels, 30–75°C control, flow activation, digital display, temperature memory and fault protection support OEM/ODM projects from SUNSAM.