Electric Boiler

Strom Electric Boilers: Essential Insights for UK Heating Professionals

strom electric boilers in modern home in background

In the rapidly shifting landscape of UK heating solutions, where sustainability and efficiency are paramount, Strom Ltd emerges as a frontrunner in electric boiler technology. As installers, you're on the frontline of helping homeowners transition to greener, more reliable systems, and Strom's range of electric combi boilers offers a compelling option. Established in the UK around 2012 with over a century of combined expertise in heating and hot water, Strom has quickly become the nation's fastest-growing electric boiler provider, boasting over 20,000 successful orders and a remarkably low defect rate. This article delves into why Strom should be your go-to brand, spotlights their standout combi boiler models, and provides practical tips to streamline your installations. Whether you're tackling domestic retrofits or commercial projects, Strom's innovative designs promise hassle-free fitting and long-term performance.

Why Strom Electric Boilers Stand Out for Installers

Strom Ltd isn't just another manufacturer; it's a UK-based specialist dedicated to electric heating excellence. Their boilers are engineered for minimal maintenance, eliminating the need for costly annual servicing that plagues gas alternatives— a real time-saver for busy professionals like you. With efficiency ratings exceeding 99%, these units ensure every kilowatt is optimised, helping your clients reduce energy bills while aligning with the UK's net-zero ambitions.

What truly sets Strom apart for installers is the emphasis on simplicity and reliability. No flue requirements mean you can position these boilers almost anywhere in a property, from lofts to cupboards, without the constraints of venting. Their compact, lightweight designs—often smaller than traditional boilers—make transportation and fitting a breeze, potentially cutting installation time by hours. Plus, with minimal moving parts and silent operation, you avoid common callbacks for noise complaints or breakdowns. Strom's products are fully compliant with British standards, including ErP ratings, and come with robust warranties (typically up to 2 years, extendable upon registration), giving you peace of mind and bolstering your reputation for quality work.

Customer feedback underscores these benefits: On Trustpilot, Strom earns a solid 4.0 out of 5 rating, with installers praising exceptional service and product durability. One reviewer highlighted how Strom's support streamlined a project involving an electric boiler and unvented cylinder, noting the seamless integration and reliable performance. While isolated issues like early faults have been reported, the overall low defect rate and responsive team make Strom a dependable choice for repeat business.

For a comprehensive look at Strom's offerings, explore the Strom collection or dive into the broader electric boilers range.

Spotlight on Strom Combi Boiler Models: Power and Precision for Every Project

Strom's combi boilers are the stars of their lineup, combining central heating and domestic hot water in a single, efficient unit—ideal for space-conscious UK homes. These models feature a unique heat exchanger that distributes heat evenly, minimising hot spots, reducing limescale buildup, and extending lifespan through separate water and heating elements. Self-modulating technology allows output to scale down to as low as 1kW, ensuring precise energy use and compatibility with renewable sources like solar PV.

Here are some top models to consider, based on their specs and installer-friendly attributes:

  • SBSP7C (7kW Single Phase): Perfect for smaller properties or apartments, this model delivers a DHW flow rate of 4 L/min and operates on 230V with a 32A draw. Its compact size (dimensions typically around 710mm x 490mm x 235mm) and simple connections (3/4" heating, 1/2" DHW) make it a quick install—often under a day. Installers appreciate the minimal breaker requirement (40A) and eco-friendly design, with no emissions or carbon monoxide risks. Priced around £1,050 excluding VAT, it's a budget-savvy entry point for green upgrades.
  • SBSP11C (11kW Single Phase): Stepping up for mid-sized homes, this boiler offers 6 L/min DHW flow and a maximum flow temperature of 80°C. Requiring a 55A supply and 10mm² cable, it's still straightforward to wire, with PRV at 15mmF for easy integration. The fully modulating system reduces wear on components, promising fewer service calls and happier clients. Reviewers note its durability and quiet operation, making it a favourite for noise-sensitive installations.
  • SBSP15C (14.4kW Single Phase): With 7 L/min DHW and high heat output, this is suited to larger family homes. It shares the user-friendly features of its siblings, including even heat distribution and repairable components for longevity. At approximately £1,200–£1,500, it balances performance and cost, and its single-phase setup avoids the need for three-phase upgrades in many properties.

For heavier-duty applications, consider the three-phase options like the SBSP18C (18kW), SBSP21C (21kW), and SBSP24C (24kW), which ramp up to 12 L/min DHW flow while maintaining the same efficiency and ease. These are excellent for commercial or multi-occupancy settings, with lower amp draws (27–36A) on 400V supplies.

All models boast an A-rated ErP for DHW and D for heating, with benefits like zero risk of gas leaks and compatibility with underfloor heating. For full specs and installation manuals, visit Strom's combi boilers page here. To source these for your next job, check out the combi boilers collection.

Electric Combi Boilers vs Traditional Gas: The Installer’s Perspective

As the UK phases out gas boilers in new builds, electric combi units like Strom's are gaining traction. Compared to gas models, they require no flue or condensate drain, slashing installation complexity and costs—often by 20–30%. No annual gas safety checks mean less ongoing admin for you, and their modular design allows for easy repairs rather than full replacements, extending product life and client satisfaction.

Efficiency is another edge: Strom's >99% rating trumps many gas boilers' 90–94%, especially when paired with renewables. For installers, this translates to fewer compatibility issues and opportunities to upsell smart controls or PV integration. While running costs depend on electricity tariffs, off-peak plans and grants like the Boiler Upgrade Scheme can make them competitive, positioning you as a forward-thinking expert.

How to Select and Install Strom Boilers Like a Pro

Choosing the right Strom model starts with assessing client needs:

  1. Calculate Load: Use room size, insulation, and hot water demand to determine kW output—e.g., 7–11kW for small homes, 18–24kW for larger.
  2. Check Electrics: Verify single or three-phase supply; Strom's clear specs (e.g., minimum cable sizes) help avoid surprises.
  3. Plan Placement: Leverage the no-flue flexibility for optimal siting, ensuring access for the 15mm PRV and connections.
  4. Factor in Features: Opt for combi if space is tight; consider pre-plumb variants for even faster installs.
  5. Register for Warranty: Complete within 45 days post-install for extended coverage.

Installation is straightforward: Connect to existing pipework, wire to the breaker, and commission via the intuitive controls. Strom's support team is on hand for queries, ensuring smooth projects.

Browse the Strom collection for stock availability and pair with accessories from the electric boilers range.

Final Thoughts: Power Up Your Portfolio with Strom

For installers seeking reliable, eco-conscious solutions that impress clients and simplify workflows, Strom electric combi boilers are a game-changer. With their innovative features, installer-centric design, and proven track record, they not only meet today's demands but future-proof your services. Ready to integrate Strom into your toolkit? Explore the combi boilers collection today and experience the difference in efficiency and ease. Your next installation could be your easiest yet.