The Potterton Gold 4kW Heat Only Electric Boiler is a compact, lightweight, and efficient heating option designed for smaller homes or properties with limited space. When paired with a Potterton Gold indirect cylinder, it can supply domestic hot water while delivering reliable heating through a standard wet central heating system.
This model works seamlessly with standard radiators, pumps, programmers, room thermostats, and TRVs, making it a straightforward replacement for older heating setups. With no flue required and near-silent operation, it offers flexible installation and quiet performance. Built with solid-state technology and no moving parts, it delivers long-lasting reliability with minimal maintenance needs.
Please note: This boiler is not suitable for underfloor heating.
Key Features
Suitable for open-vented and pressurised systems
No flue needed — install almost anywhere
Silent running for discreet operation
Front panel indicator for system status
Solid-state design with no moving parts
Soft-start function to reduce electrical load spikes
Adjustable min/max water temperature control
No mandatory annual safety certificate required
Requires 6 litres per minute flow rate
Uses 22mm pipework
Product Specifications
Manufacturer: Potterton
MPN: 94022008
SKU: 4335
GTIN: 5018780220087
Product Type: Electric Open Vent Boiler
Warranty: 1 Year (subject to manufacturer T&Cs)
Dimensions: 1050mm (H) × 90mm (W) × 90mm (D)
Gross Weight: 7.5kg
CH Output: 4kW / 13,600 BTU
FAQs
Is the 4kW model suitable for underfloor heating?
No — this boiler is not compatible with underfloor heating systems.
Does it need annual servicing?
No mandatory servicing is required, and with no moving parts, maintenance is minimal. Occasional checks are still recommended for long-term performance.
Does the boiler require a flue?
No — as an electric boiler, it produces no combustion gases, allowing flexible installation without a flue.
Absolutely. Check availability at your nearest branch during checkout or contact us directly.
Do you offer bulk pricing or trade discounts?
Yes, we offer competitive rates for trade customers and bulk orders. Contact our team for a tailored quote.
What if the product arrives damaged?
Please notify us within 48 hours of delivery. We’ll arrange a prompt replacement or refund as needed.
How fast is the delivery time?
Most items are delivered within 2–5 working days, depending on stock and location. Some products may take longer times.
What is the Return Policy?
We accept most returns within 14 days of delivery, provided the items are unused, in their original packaging, and in resalable condition. Please contact our customer service team to arrange a return or discuss any concerns.
Over 35 Years of Trading
+£3M Stock Value
Best Price Promise
10 Branches Across London & South East
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