
240V 1 inch Paddle Thermal flow switch water pump heat pump water flow switch
>> General
The paddle type SPDT HFS series are designed to provide excellent performance where accuracy, reliability, and rugged construction (IP65)are required used in llquid flow lines carrying water or any fluid
neither harmful to brass and prosphor bronze nor classified as a hazardous fluids.
>> Feature
* Flow control of water and normal media
* Renovated SPDT micro switch ensures the reliable switch function
* 15(8A) 250VAC switch rating
* IP65, class I enclosure
>> Specification
Type of operation | On/Off, single-stage, micro switch |
Output | SPDT 15(8A) 24/250Vac |
Flow rates | See flow rate table |
Flow rate setting adjustment | Internal srew |
Sensing element | Paddle |
Liquid applications | Hot, chilled, well, pool and sea water, Brine or ethylene glycol |
Parts material in contact with fluid | Brass |
Paddle material | Stainless steel |
Liquid temperature | -20ºC-120ºC |
Permissible ambient temperature | -40ºC-85ºC |
Permissible ambient humidity | 10...90% RH, non-condensing |
Cable entry | M18 |
Housing | Galvanized Steel Plate, ABS or PC cover |
Protection | IP65 |
Color | White |
Weight | 1.0Kg |



We offer OEM & ODM services to cater to your specific needs and requirements. Whether you're looking for a custom design or want to add your logo to an existing product, we can help bring your vision to life.
We understand that seeing and testing a sample of the product is crucial before making an order, which is why we offer a refund for the sample fee after confirming your order. This allows you to test our products at minimal risk to you.
After-sales service:
Our commitment to quality doesn't end with customization. We thoroughly test each product one by one before delivery to ensure it meets our high standards.
We're so confident in the quality of our products that we offer an 18-month warranty from the date you receive your goods, excluding any damage caused by human error. Additionally, our technical support team is available 24/7 to assist you with any questions or concerns you may have.
To learn more about our customized services and warranty policies, please visit our website.


Q1:What is the unit price?
A.:The unit price varies according to different specific requirements, we are more than pleased to quote you the best price once get your specific application. e.g. W/O Modbus, W/O key-card, 2/4 pipe system, W/O customized programming...
Anyway, we are always ready to discuss details with you via Email.
Q2:What is the MOQ, small quantities accetaple?
A.: Commonly the MOQ for us is 500pcs, however, we also accept small quantities or Sample orders as starting.
Q3:How is your products' quality and warrenty?
A.:All of our products meet EU standards, samples are available for quality evaluation; all products are with 18 months warrenty.
Q4:Can I print my logo on the products, and customize my own designed packing?
A.:100% YES, but the order quantity shall be over MOQ, or else, extra costs will be charged.
Q5:Do you supply OEM or ODM?
A.:Yes, we have strong R&D sources and production ability, and already helping many international companies OEM/ODM cases with highly positive feedback.
Q6:Why should I buy products from your company?
A.:That's really a good question, Quality Products but with Competitive Price, Timely Delivery, Professional and Fast Reacton, ...
In a word, WE ARE DIFFERENT, why not just try from the Email...
Welcome to contact us
Hotowell International Co.,Limited
Add:Room 1406-2, No.11 Duiying Road, jimei district, Xiamen, 361021, China
Water flor switch | Electric flow switch| HVAC accessary