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Customer Support

Email:

Customer Support: cs@sunster.tech
Business Cooperation: sunster@sunster.tech

Operating Hours (Hong Kong Time):

Email Support: 9:00 AM – 6:00 PM (Monday to Friday)

Our team will respond to inquiries within 48 business hours. We appreciate your understanding and look forward to assisting you!

Documents & Resources

User Manuals

Diesel heater

📄 Applicable Models: SH B2 /SH W2 /SHW8 📄 Applicable Models: TB10WF 📄 Applicable Models: TP 1 /TR 3 📄 Applicable Models: TP B1 /TP G1 📄 Applicable Models: TP B2 / TP BW 📄 Applicable Models: TP B3 /TR B1 /TR B2 📄 Applicable Models: TP W1 /TP RO 📄 Applicable Models: TB10Pro

Water Heater

📄 Applicable Models: LQ 1 / LQ 4G

Switch manual

Water Heater

📄 2025 Version Manual (with Video QR Code) 📄 2026 4G Version Manual (with Video QR Code)

Installation Video

Diesel heater

SH B2 SH W2 SH W8 TB10 WF TP 1 TR 3 TP B1 TP G1 TP B2 TP BW TP B3 TR B1 TR B2 TP W1 TP RO TB10PRO