Auxiliary Heater

EW-Series

Products

EW-Series: Electric Water Heaters

The EW-Series is Grayson’s range of electric water heaters designed to deliver rapid, reliable auxiliary heating for electrified vehicles and stationary power systems. Covering a wide voltage and power range, the series provides instant heat for cabins, batteries and coolant circuits in cold conditions.

About Our Electric Water Heaters

Developed for BEV, FCEV, hybrid and stationary power applications, the EW-Series delivers on-demand water heating using resistive and PTC technologies. With options spanning mid- to high-voltage platforms, the range supports battery preconditioning, cabin heating and thermal stability across demanding duty cycles and climates.
Our Capabilities

Source To Service

Alongside proven EW-Series catalogue heaters, Grayson offers full engineering and manufacturing capability to configure or develop bespoke electric water heating solutions aligned to voltage, power output, packaging and system integration requirements. Learn More

Contact Us

Need a solution to provide fast and dependable heat in cold conditions?

Our thermal specialists can support with product selection, performance data, STEP models and integration guidance.

Enquire About Our EW-Series Auxiliary Heaters Today

Discover More About Grayson

Grayson Thermal Systems brings over 40 years of experience delivering trusted heating and cooling solutions to transport applications worldwide, supporting reliable operation in demanding environments.