Nationwide UK Delivery
Trade Accounts Available
Technical Support
Nationwide UK Delivery
Trade Accounts Available
Technical Support
| Availability | In Stock & Ready to Dispatch |
| Bulk Orders | Project & Bulk Quantities Available |
| In-House Logistics | Reliable Delivery with Standard and Express Shipping Options |
The S21 Plug-In Thyristor Controlled Electric Post Heater Battery with Sensor is designed for efficient air heating in HVAC ventilation systems. This advanced heating unit provides precise temperature regulation through thyristor control technology, ensuring stable performance and energy efficiency. The plug-in design allows quick installation and easy integration into air handling units. Equipped with a temperature sensor, the system maintains optimal airflow heating, making it ideal for commercial and industrial ventilation applications.
Galvanized steel heater casing
Stainless steel heating elements
Copper electrical wiring
Heat-resistant insulation materials
Industrial grade temperature sensor components
Estimated Delivery: 2–5 Working Days
Shipping costs will be calculated during checkout.
Check delivery options at checkout
The S21 Plug-In Thyristor Controlled Electric Post Heater Battery with Sensor is designed for efficient air heating in HVAC ventilation systems. This advanced heating unit provides precise temperature regulation through thyristor control technology, ensuring stable performance and energy efficiency. The plug-in design allows quick installation and easy integration into air handling units. Equipped with a temperature sensor, the system maintains optimal airflow heating, making it ideal for commercial and industrial ventilation applications.
Galvanized steel heater casing
Stainless steel heating elements
Copper electrical wiring
Heat-resistant insulation materials
Industrial grade temperature sensor components
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Shipping Information • UK-wide delivery, including Northern Ireland, Scottish Highlands and remote locations. • Orders are processed within 1–2 working days (Mon–Fri). • Standard UK delivery takes approximately 2–5 working days from purchase. • Shipping costs are calculated at checkout based on order size, weight and delivery location. • Free delivery is available on selected orders. Additional charges may apply for large, bulky or remote-area deliveries. • Tracking details are provided once your order has been dispatched. • International shipping is available. Customs duties, taxes and import fees may apply and are the responsibility of the customer. • If your order arrives damaged, incorrect or incomplete, please contact us within 7 days of delivery. For full details, please see our Shipping Policy.
Returns must be requested within 7 days of delivery and approved before being sent back. Items must be unused, undamaged, and in their original packaging. Customers are responsible for return shipping costs, and a restocking fee of up to 25% may apply. Refunds are processed within 3–5 working days after inspection. For damaged, faulty, or incorrect items, please contact us within 7 days of delivery.
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