Glow-Worm Ultimate3 35kW Combi Boiler With Horizontal Flue, Power Filter

Glow-worm Ultimate3 Combi Boiler Pack – Reliable, Efficient, All-in-One Heating Solution

The Glow-worm Ultimate3 Combi Boiler Pack is a high-efficiency, ErP A-rated heating solution designed for modern UK homes. Ideal for medium to large households, it delivers powerful central heating and instant hot water while keeping energy bills low. This complete pack includes the boiler, a horizontal flue, and a power system filter for added protection and easy installation. With up to 10 years of warranty when registered, it offers long-term reliability and peace of mind from one of the UK’s most trusted heating brands.

Benefits of the Glow-worm Ultimate3 Combi Boiler Pack (with Flue & Filter)

• ErP A-Rated Energy Efficiency: Built to help lower your energy bills, the Glow-worm Ultimate3 is A-rated for efficiency, offering cost-effective heating and hot water for your home.

• High-Performance Heating & Hot Water: Designed to deliver reliable central heating and instant hot water, perfect for busy households and everyday comfort.

• All-in-One Boiler Pack: Comes complete with the boiler, horizontal flue, and a Glow-worm power system filter, giving you everything you need for a professional installation.

• Up to 10-Year Warranty: Comes with a 5-year standard guarantee, extendable to 10 years when installed with the included filter and registered through Glow-worm Club Energy giving you long-term peace of mind.

• System Protection with Included Filter: The power system filter helps keep your boiler running smoothly by removing sludge and debris from your heating system improving performance and extending lifespan.

• Ideal for Medium to Large Homes: With models like the 30kW output, it’s suitable for homes with multiple bathrooms and higher water demands.

• Simple Installation & Compact Design: Easy to install and compact enough to fit into most kitchens or utility rooms perfect for space-saving boiler upgrades.

• Eco-Friendly Heating Option: Lower emissions and efficient operation make it a smart choice for sustainable, environmentally conscious households.

• Great Value from a Trusted Brand: Offers excellent value for money from Glow-worm, a leading UK heating brand known for reliability and performance.
  
  

  Key Features

  • High 35kW Heat Output
    Perfect for larger homes or properties with higher hot water demands.

  • Combi Boiler Convenience
    Provides heating and hot water on demand—no need for water tanks or cylinders.

  • ErP A-Rated Efficiency
    Energy-efficient design to help lower heating costs and carbon footprint.

  • Includes Horizontal Flue
    Safe and flexible flue option for venting combustion gases outdoors.

  • Includes Glow-worm System Filter
    Helps protect the boiler from sludge and debris, improving system lifespan and efficiency.

  • Space-Saving Design
    Compact enough for kitchen cupboards or utility room installations.

  • Quiet Operation
    Engineered for smooth and quiet running—ideal for modern homes.

  • Up to 10-Year Guarantee
    Standard 5-year warranty, extendable to 10 years with filter installation and Club Energy registration.

  • Trusted Brand
    Manufactured by Glow-worm a well-known UK heating specialist with decades of proven performance.
    
    

    Technical Specifications

    • Brand: Glow-worm

    • Model: Ultimate3 35kW

    • Product Code: ULT335CHORPK

    • Boiler Type: Combi (Combination)

    • Fuel Type: Natural Gas

    • Heat Output: 35kW

    • Energy Rating: ErP A-rated (Heating & Hot Water)

    • Mounting Type: Wall Mounted

    • Ideal For: Medium to large homes with high hot water demand

    Dimensions:

    • Height: 740mm

    • Width: 418mm

    • Depth: Compact – ideal for kitchen or utility installations

    Warranty:

    • 5-Year Standard Guarantee

    • Extendable to 10 Years with filter installation and Club Energy registration
      
      

      What’s in the Box

      • Glow-worm Ultimate3 35kW Combi Boiler Unit

      • Horizontal Flue Kit – for external venting

      • Glow-worm System Filter – for added protection and efficiency

      • Installation & User Manual

      • Warranty Registration Information

      Note: Requires professional installation by a Gas Safe registered engineer.