| After-sales Service: | Yes |
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| Warranty: | 1 Year |
| Function: | Heating |
| Control Mode: | Rocker Switch Hardwire Control |
| Temperature Adjustable Area: | Wide Range |
| Certification: | ISO, CE |
| Samples: |
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| Customization: |
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Audited Supplier 
NF high voltage coolant heater is an electric heater that uses electricity as energy to heat antifreeze and provide heat source for passenger cars. PTC semiconductor (positive temperature coefficient thermistor) is used as the heating device, and the shell is made of aluminum alloy. It has excellent anti dry burning, anti-interference, anti-collision, explosion-proof performance, safe, reliable and reliable.
As shown in the picture, our HVH-Q20 needs to be equipped with high and low voltage connectors to connect. By default, we do not provide high and low voltage connectors, but are purchased by yourself. If you need to order from our company, please note before placing the order.
| Item | 10KW | 15KW | 20KW |
| Rated voltage(V) | 600V | 600V | 600V |
| Supply voltage (V) | 450-750V | 450-750V | 450-750V |
| Current consumption (A) | ≈17A | ≈25A | ≈33A |
| Flow (L/h) | >1800 | >1800 | >1800 |
| Weight (kg) | 8kg | 9kg | 10kg |
| Installation size | 179x273 | 179x273 | 179x273 |
| Control signal | Rocker switch hardwire control | Rocker switch hardwire control | Rocker switch hardwire control |
This product belongs to liquid heater, which is specially designed for pure electric bus. PTC water heater provides heat source for pure electric bus by relying on on-board power supply. The rated voltage of the product is 600V and the power is 20kW, which can be adapted to all kinds of pure electric bus models. With powerful heating power, it provides sufficient heat, provides a comfortable driving environment for drivers and passengers, and can also be used as a heat source for battery heating.
This product can be used alone to replace the traditional fuel liquid heater, so as to achieve complete energy conservation,emission reduction and cost reduction. In extremely cold regions, considering the lack of electricity, the traditional fuel liquid heater can be assisted. The use method is to connect the pure electric heater in series with the fuel heater, and confirm whether it is necessary to increase the water pump according to the actual demand to improve the circulation efficiency.
| Low maintenance cost | Green environmental protection | Energy saving comfort |
| *Product maintenance free *High heating efficiency *Low use cost *No need to replace consumables |
*100% no emissions *Mute without noise *No waste *Strong thermal energy |
*Intelligent temperature control *Closed-loop control *Stepless speed regulation *Rapid heating |
Hebei Nanfeng Automobile Equipment (Group) Co., Ltd is a group company with 5 factories, that specially produce parking heaters,heater parts, air conditioner and Electric vehicle parts for more than 30 years. We are the leading auto parts manufacturers in China.
Our factory's production units are equipped with high tech machineries, strict quality control testing devices and a team of professional technicians and engineers endorsing the quality and authenticity of our products.
In 2006, our company has passed ISO/TS16949:2002 quality management system certification. We also bagged the CE certificate and Emark certificate making us among the only few companies in the world acquiring such high level certifications. Currently being the largest stakeholders in China,we hold a domestic market share of 40% and then we export them around the globe particularly in Asia, Europe and Americas.
Meeting the standards and demands of our customers have always been our top priority. It always encourages our experts to continuously brain storm, innovate, design and manufacture new products, impeccably suitable for the Chinese market and our customers from every nook of the world.
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 100% in advance.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q4. How about your delivery time?
A: Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
Suppliers with verified business licenses
Audited Supplier 
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