Electric Heater & Controller for Solar Water Heaters

Quotation about Electric Heater & Controller
The price of electric heater a. Electric heater without leakage protection: USD12.00/PC b. Electric heater with leakage protection: USD15.00/PC The price of controller a. Controller TK-5: USD23.00/PC b. Controller TK-7: USD30.00/PC
The function of Controller TK-5 a. Water level preset b. Temperature control water loading c. Water insufficiency alert d. Water insufficiency loading e. Pipe warm prevention f. Manual control g. Timing water loading h. Auto control supercharging pump i. Low water pressure loading	The function of Controller TK-7 a. Water level preset b. Leakage protection c. Intelligent water loading d. Constant water level loading e. Insufficiency water loading f. Pipe heat prevention g. Constant temperature heating h. Low water pressure loading i. Auto control supercharging pump j. Dry heating prevention k. Power off memory l. All-weather water supply m. Intelligent heating n. Water temperature preset o. Temperature control water loading p. Insufficiency water alert q. Manual control