eSchwank eSR-18 High-Performance Relay Box - For All eSchwank Heaters

eSchwank eSR-18 High-Performance Relay Box – For All eSchwank Heaters

Required Control Accessory for eSchwank Heaters

The eSchwank eSR-18 Relay Box is a high-performance switching module designed for safe control of eSchwank electric infrared heaters. Required with all eSchwank heater sales, it enables reliable switching of high electrical loads and protects the installation with robust, purpose-built components.

Centralised Control for Multi-Heater Systems

Ideal for commercial and industrial environments, the eSR-18 supports systems where multiple heaters are controlled from a single point. It integrates cleanly with simple manual switches or external control systems, giving specifiers and installers flexibility in system design.

Durable, Installer-Friendly Design

Housed in a tough enclosure for long service life, the relay box is engineered for quick, professional installation and dependable day-to-day operation as part of any eSchwank heating scheme.

Buy from National Heater Shops

Purchase the eSchwank eSR-18 Relay Box from National Heater Shops — the heating specialists. We supply trusted brands, expert advice, and fast UK delivery for commercial and industrial projects.

Mandatory Safety Component: Required with all eSchwank electric infrared heaters to ensure compliant, safe switching.

High-Load Switching: Purpose-engineered relay assembly for reliable control of commercial-grade electrical loads.

Centralised System Control: Enables group control of multiple heaters from one location to simplify operation.

Flexible Integration: Compatible with simple on/off switches or external control systems for varied site needs.

Robust, Low-Maintenance Design: Tough enclosure and quality components support long service life.

Professional Installation: Designed for straightforward, tidy installation by qualified electricians.