Detailed Comparison

Merlin 2000 40/60 BL vs Viadrus K4 K4G1H24PR

Comprehensive side-by-side analysis of efficiency ratings, specifications, and performance metrics

Efficiency 1

85.3%

Efficiency 2

89.0%

Type 1

Non-Condensing

Type 2

Condensing

Merlin 2000 40/60 BL

Merlin

85.3%

Type:Non-Condensing

Power:Unknown

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Head to Head

🏆 WINNER

Viadrus K4 K4G1H24PR

Viadrus

89.0%

Type:Condensing

Power:Unknown

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Efficiency & Performance

Efficiency Rating

Merlin

85.3%

BEST

Viadrus

89.0%

Power Output

Merlin

Unknown

Viadrus

Unknown

Fuel Type

Merlin

Oil

Viadrus

LPG

Boiler Type

Merlin

Non-Condensing

Viadrus

Condensing

Technical Specifications

Flue Type

Merlin

N/A

Viadrus

N/A

Method

Merlin

Non-Condensing

Viadrus

Condensing

Fan

Merlin

N/A

Viadrus

N/A

Manufacture Period

Merlin

N/A

Viadrus

N/A

Cost & Savings

Annual Savings

Merlin

£150-£300

BEST

Viadrus

£150-£300

Installation Cost

Merlin

Free (ECO4)

Viadrus

Free (ECO4)

Comparison Summary

Efficiency Champion

Viadrus K4 K4G1H24PR

Viadrus • 89.0%

Best Value

Both Boilers

Available FREE through ECO4 scheme

Our Recommendation

Viadrus K4 K4G1H24PR leads with 89.0% efficiency, providing better performance and energy savings.

FREE Installation Available

Ready to Get Your Free Boiler?

Both Merlin 2000 40/60 BL and Viadrus K4 K4G1H24PR are available at no cost through the government ECO4 scheme. Take the next step today.

💰

£0 Installation Cost

Completely free through ECO4

⚡

High Efficiency

Save hundreds on heating bills

🏆

Quality Guaranteed

Professional installation included

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✓ Government Approved Scheme ✓ No Hidden Costs ✓ Professional Installation ✓ Energy Efficient

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