Starting From
£2.13
Per Day
UK-wide
Nationwide support
Fixed price
No surprises
12 years
Warranty & care
Vaillant Boiler
Diamond SmartPlan
Fixed-price boiler subscription with installation, servicing and ongoing care, built for comfort without unexpected costs.
~43kW
Central Heating Output
~94%
Efficiency (ErP A-Rated)
~15.9 ltrs/min
Hot Water Flow Rate (35°C)
12 Years
Warranty & care
- High Energy Efficiency
- Quiet Operation
- Advanced Smart Control
- Smart Heating Compatibility
What’s included
Everything that comes as standard with this plan.
Vaillant Boiler
High-efficiency boiler supplied and fitted as part of your plan.
£2149Included
Tado Tado X
Control your heating and hot water from your phone.
£149Included
Gas Safe installation
Installed by a fully qualified Gas Safe registered engineer.
Included
Annual boiler service
Yearly service to keep the boiler running efficiently.
Included
Fix or replace guarantee
If we can’t fix it, we’ll replace it for no extra cost.
Included
Warranty
Long-term cover for extra peace of mind.
Included
Disposal of your old boiler
We safely remove and dispose of your existing boiler.
Included
Remove & replace combi boiler
Removal of existing combi boiler & replace with a new combi boiler.
Included
Magnetic boiler filter
Captures debris and sludge to protect your system.
Included
Filling loop
Quick and easy pressure top-ups without calling an engineer.
Included
Smart TRVs
Advanced smart radiator control.
£129Included
Chemical flush
Improves system circulation and performance.
£99IncludedMagnetic flush
Deeper system clean where required.
£199Included
Carbon monoxide alarm
Additional safety for your home.
£29Included
Optional upgrades
Enhance your plan with additional protection and smart controls.
24-hour boiler health monitoring
Proactive monitoring to help detect issues early.
£199Optional
Gas Safety Certificate (CP12)
Available for landlords.
£79Optional
Lower Heating Bills, Smarter Living
Discover how iSnuüg improves heating efficiency, reduces heating bills by *up to 25%, and delivers complete peace of mind with a fully managed process and 12-year warranty.
