5.5KW-18KW Water Thermostat Heater For Swimming Pool Pond & Spa Bath Shower

5.5--18KW380V-415V / 3-phase 220V-240V / Single-phase Parameter：Model: ST- 5.5/7.5/9/11/15/18 Power: 5.5/7.5/9/11/15/18 KW Working Voltage: AC240V/Single-phase; AC380/3-phase Dimension: 450 x 355 x 105 MM Net Weight: 8KG ST series pool heaters are special used for small pool, massage pool and hot spring to heat and keep warm; Meanwhile, can be a assistant for hot pump in heating.This product adopts latest constant temperature controller- -temperature sensor replaces traditional magnetic flow switch, it improves greatly of trouble free in working time, adaptability of water environment and stability. Note: This heater does not come with water pump! We offer one year warranty! ModelPower(kw)Voltage（V）Current(A)Phase(N-)Pipe dia.(inch)Wire(mm²)ST-5.55.5220/38025/91/31.53×6/5×2.5ST-1111220/38050/171/31.53×10/5×4ST-1515220/38068/251/31.53×16/5×6ST-1818220/38080/281/31/33×20/5×6 Attention: When you choose "240V/Single-phase" version, please confirm your power supply system can handle this heater(18KW &15KW)!