JJR silicon nitride ceramic electrical heater for solar water heaterLike

FOB PriceUSD 18.0-68.0/Piece Get Latest Price ModelJJR-TS Min.Order20 Brief DescriptionSilicon nitride ceramic electrical heater-Small size-Fast heating up-Long service life

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Zhejiang Jiajiare New Energy Co., Ltd.

Jiaxing  Zhejiang  China
No.of Staffs51 - 100 People Sales VolumeUS$50 Million - US$100 Million Monthly Capacity6000 sets OEM/ODM AvailabilityOEM Payment Terms L/C  T/T Related Product Category Accessories [36]
Product Range Main products

Solar water heater, Solar collector, solar project, Support frame

Target Market(s)

Oceania; Eastern Europe; Africa(except Middle East); Hong Kong/ Macao/ Taiwan; Latin America; Japan & Korea; Mainland China; Western & Southern Europe; Northern Europe; Central & Southern Asia; Middle East

  • Product Details
  • Company Profile

Basic Specification

Material silicon nitride ceramic
Size 1/2" 3/4" 1 1/2" 2"

Detail Description

Silicon nitride ceramic heater

Special for solar water heater



1. For non pressure system

Installation: at the bottom of water tank

JJR-TS-NPØ47mm/ Ø58mm
Voltage/ FrequencyAC220V~ 240V/ 50HZ~60HZ
Power1KW/ 1.5KW/ 2KW/ 2.5KW
Thermostat limit80°c(in case the controller disabled ) 


Installation: by the side of water tank

JJR-TS-NP1/2" or 3/4"
Voltage/ FrequencyAC220V~ 240V/ 50HZ~60HZ
Power1KW/ 1.5KW/ 2KW/ 2.5KW
Thermostat limit80°c(in case the controller disabled ) 


2.For pressurized solar water heater:

JJR-TS-HP3/4" or 1"
Voltage/ FrequencyAC220V~ 240V/ 50HZ~60HZ
Power1KW/ 1.5KW/ 2KW/ 2.5KW
Thermostat limit80°c(in case the controller disabled ) 

3.For hot water projects:

JJR-TS-NP1.5" or 2"
Voltage/ FrequencyAC380V~ / 50HZ~60HZ
Power4.5KW~ 9KW
Thermostat limit80°c(in case the controller disabled ) 


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The data for Silicon nitride ceramic heater 
the length70-105mm
the voltageAC220/110V,50/60Hz
range of control the temperature60-80centigrade
Thermal Load 80w/cm2(higher than other heaters)
Thermal strength on the conditon of 2500v,not breakdown in 60s
Leakage current0.025mA in normal working, 10mA broken in the water
efficiency of space filling99-100%
Fracture toughness5.0-8.0MPA*M1/2
Flexural strength in room temperature900 MPa
Flexural strength in high temperature≥700 MPa
Vickers hardness15-20GPa
Relative permittivity6-7
volume resistivity1014 Ω*cm
thermal conductivit20-50w/(m*k)
thermal expansion coefficient3.0*10-6/K
Comapare with other metal electirc heater 
Itemmetal electric heater     silicon nitride ceramic heater
surface load   45w/cmin max70w/cmin max
power densitythe length of heater 30cm for 1500wlength of heater 7cm for 1500w
Acid corrosionmetal easy to be rustedcould not be rusted
electrical saftyleakage current >30mA when brokenleakage current<10mA when broken,Oxidation quickly
Thermal conductivityinsulated powder filled in ,not goodhigh thermal conductivity ceramic,better
life timeambient influnence a lot,it is shorterambient influnence a little, longer


Additional Information

Payment Terms L/C, T/T, Western Union
Minimum Order 20
Lead Time Delivery Time 15 days
Sample Available Yes Ask For Sample
FOB Port Shanghai,
Target Market(s) Africa(except Middle East),  Central & Southern Asia,  Eastern Europe,  Hong Kong/ Macao/ Taiwan,  Japan & Korea,  Latin America,  Mainland China,  Middle East,  Middle East & South Asia,  North America,  Northern Europe,  Oceania,  Southeast Asia,  Western & Southern Europe

About Us

Zhejiang Jiajiare New Energy Co., Ltd.

Zhejiang Jiajiare New Energy Co., Ltd. Our company specializes in solar application technology, and develops with the researching, production and industrialization enterprise distribution for more than 19 years. The Jiajiare brand solar water heater is the leading product of company, and the green environmentally safe product is our country do its utmost to recommend. The company regards fine product quality as the vitality; The products are sold well in our country and are exported to Europe,America , Middle East , Southeast Asia etc .We can guarantee high product quality. According to different individual requirements such as area, climate and consumption level, more and more productions come into the market from Shentai. All our successes are based on the research and analysis of the market.If you are interested in any of our products, please feel free to contact us without hesitation. We welcome both domestic and overseas clients, and we are looking forward to having opportunities to become your future supplier.

General Information

Year of Establishment 1995
Capital Above US$100 Million
Sales Volume US$50 Million - US$100 Million

Export Information

Export Year 2004
Export Percentage 51% - 60%
Delivery Time 15 days
Minimum Order Quantity 10 sets
Payment Terms L/C  T/T

Productivity Information

Production Lines 2 lines
Factory Size 22,000 square meters
Monthly Capacity 6000 sets
Investment on Manufacturing Equipments US$1 Million - US$2.5 Million
No. of Staffs 51 - 100 People
No. of R/D Staffs 5 - 10 People
No. of Engineers Less than 5 People
No. of QC Staffs Less than 5 People

Factory Info: Zhejiang Jiajiare New Energy Co., Ltd.

Country/Region Jiaxing, Zhejiang, China
Address No.68 Yuanxi Road, Yuanhua Industrial Area
Zip 314416
Factory Introduction We are specialize in producing all kinds of vacuum tube solar water heater with 17 years history, the most advanced production line in China, like automatic foaming machine imported from Italy, automatic argon arc welding machine from America, and numerical control punch. We use Germany Bayer's polyurethane and SUS304 stainless steel from Korea and Taiwan. Now we have more than 100 workers and staff members and high grade technicians share 65% of the total personnel. It is of abundant technical force, advanced craft testing means. Its annual productive capacity reaches to 200000 sets. Our factory has passed the ISO9001:2000 quality system、SRCC、Solar Keymark、CE、RoHS attestation.