Solar hot water flow meter – ultrasonic flow sensor kit 1-15 GPM


Upgrade your solar thermal system with the SunMaxx VFS Direct Sensor. This innovative device measures temperature and flow rate using a single measurement element, providing accurate readings through direct fluid contact. With no moving parts, it offers long-lasting performance and consistent measurement accuracy. The plug & play design ensures easy setup, while its stainless steel construction guarantees durability. Enhance your solar thermal system with the SunMaxx VFS Direct Sensor for reliable and precise measurements.

SKU: SmartMaxx-VFS-1-15GPM-1IN Category:

How to order? 

  • Order online or contact sales team directly
  • 24-hour online order confirmation
  • SunMaxx Solar™: solar hot water equipment manufacturer
  • Availability and production lead times subject to production queue

Direct-from-Manufacturer Pricing

Experience the value and benefits of our manufacturer-direct pricing on all online listings. For wholesale and distribution inquiries, we encourage you to reach out to our office to receive a tailored offer that meets your needs.

Looking to connect with our office? Give us a call at 1-877-786-6299, and we'll be happy to assist you!


Product Description:

Revitalize your solar thermal system with the SunMaxx VFS Direct Sensor, an innovative device that measures temperature and flow rate utilizing just one measurement element. This sensor operates on the principle of vortex flow measurement, accurately assessing the volume flow based on the fluid movements or resulting pressure differences at the vortex body. Its compatibility with aggressive media as well as potable water makes the SunMaxx VFS Direct Sensor an excellent tool for measuring volume flow and heat quantities in solar thermal and freshwater systems.

The VFS Direct Sensor is designed to handle a flow rate of 1.32 – 26.42 gallons per minute and has a temperature measurement range of 32 °F to 212 °F. Its capabilities can be expanded to systems with higher flow rates, ensuring its versatility.

Key Product Features:

– A single sensor measuring two variables.
– Rapid, precise measurements through direct fluid contact.
– Absence of moving parts eliminates mechanical wear.
– No increase in measurement error over time.
– Plug & play design for quick setup.
– Length: 5.08 inches.
– Thread: 1″ AG.
– Maximum operating temperature: continuous 212 °F, short-term 248 °F.
– Type: MEMS sensor, silicon-based.
– Material: 1.4408 stainless steel.
– Protection type: IP 44.

Package Includes:
1 x VFS (1.32 – 26.42 gallons per minute)
Including fitting, insert, and a 9.51 ft connection cable with a Molex connector.

The VFS Direct Sensor from SunMaxx is an excellent choice for your upcoming project, thanks to its superior performance, reliability, and longevity. This sensor provides a two-in-one measurement solution with unmatched speed and precision due to its direct fluid contact. It ensures mechanical wear-free operation with its non-moving parts and retains consistent measurement accuracy over its lifespan. The plug & play design offers quick and effortless setup. Built for endurance with stainless steel and ideal for systems with higher flow rates, this sensor will enhance your solar thermal system.

Why SunMaxx Solar

Investing in a complete solar hot water kit from a single manufacturer is essential for ensuring the longevity and efficiency of your solar hot water system. A streamlined approach to sourcing components simplifies the process of installation, maintenance, and servicing.

By choosing a single manufacturer for your solar hot water kit, you can benefit from comprehensive documentation for service and maintenance. This approach helps prevent issues arising from improperly installed or maintained systems. Studies show that over 60% of solar hot water systems fail due to incorrect installation or lack of proper maintenance.

Purchasing a complete kit from one manufacturer guarantees compatibility between components and streamlined support from the provider. This ensures that you have access to knowledgeable experts who can address any concerns or questions related to your specific system. Furthermore, a single manufacturer can provide a unified warranty, eliminating the need to deal with multiple companies in case of any issues.

In summary, investing in a complete solar hot water kit from a single manufacturer is a wise decision for homeowners and businesses alike. It ensures smooth installation, proper maintenance, and reliable long-term performance, maximizing the return on your investment and providing a sustainable hot water solution.