Act fast – enjoy our BEST prices across the store this festive season ✅
Enjoy our best prices across the store ✅
Days
Hrs
Mins
Secs
Our best price!
Slim Jim Electric Flow Boiler
We’ll Beat Any Price
As the UK's biggest underfloor heating store, we're dedicated to offering competitive prices. We regularly monitor market prices and are ready to beat any competitor price. Simply give our sales team a call!
Introducing the Slim Jim Electric Flow Boiler, a top-of-the-line electric-only solution designed to work seamlessly with conventional open-vented hot water cylinders. For added flexibility, it can also be adapted for use with sealed unvented systems when equipped with the optional Slim Jim Unvented Kit.
Features & Benefits
Discover the advantages of the Slim Jim Electric Flow Boiler, designed to offer unparalleled performance and convenience. Here are the standout features:
Optimized for use with open-vented cylinders
Convertible to work with unvented cylinders (additional kit required)
Compatible with standard wet radiators
Integrated control panel for ease of use
Advanced fully modulating technology
Six-stage heating system for precise temperature control
Effortless installation process
100% energy efficiency for cost savings
Requires no flue or fuel tanks, simplifying setup
Whisper-quiet operation for a peaceful environment
Maintenance-free design for hassle-free ownership
Durable stainless steel heat exchanger and heating elements
Soft start feature to prevent power surges
Adjustable temperature control for customized comfort
Built-in fault-finding diagnostics for quick troubleshooting
Product code:EHCSJIM4KW
Estimated Delivery Time
2-3 Working Days
Type
Regular
Warranty (Years)
2
Width (mm)
203
Height (mm)
912
Depth (mm)
172
Weight (Kg)
11
Fuel
Electric
Mounting
Wall Mounted
Choose the Slim Jim Electric Flow Boiler for a reliable, efficient, and user-friendly heating solution that meets the highest standards of performance and convenience.
At The Underfloor Heating Store, we strive to make every step of your order as easy and convenient as possible, from finding the right underfloor heating setup to best suit you to taking delivery of your system the very next day.
We're proud to offer free delivery on all of our orders.
Your delivery option for this product is 5-10 working days.
At The Underfloor Heating Store, our customers have 30 days to upgrade, replace or refund their orders.
Returns
At The Underfloor Heating Store, we want to ensure you are happy with every purchase you make. If you have any issues with your chosen product, whether damaged, faulty or simply an unwanted item, you can simply return what you bought for a refund. Learn more.
Replacements
We take great care in the delivery of all of our products, however, in the event of your delivery arriving damaged or if you notice a manufacturing fault of any kind within 48 hours of delivery, you're within your rights to a replacement. Learn more.
Upgrades
Within 14 days of purchasing from us, you are eligible to upgrade if you deem you want something a little better. Simply send it back to us brand new and we'll happily assist you with an upgrade to your order. Learn more.
Lifetime warranty
At The Underfloor Heating Store, we are committed to providing our customers with high-quality products and outstanding customer service. That's why we offer a comprehensive warranty on all of our underfloor heating products, with a lifetime warranty for our ProWarm range of products.
Our warranties are designed to give you peace of mind and ensure that your underfloor heating system operates reliably for years to come.
At The Underfloor Heating Store, our main priority is customer satisfaction. To cement our commitment to this, we are proud to offer our Underfloor Heating Price Match Promise. If you find a lower price on an identical product anywhere else, we will match it – guaranteed!
Get A Free Quote
Contact Our Team
View Account
