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Henley Achill 17.5kw Insert Boiler Eco Stove - Matt Black | ST474

HenleySKU: ST474

Regular price €1,699.00
Click & Collect
Nationwide Delivery

Description

Henley Achill 17.5kW Insert Boiler Eco Stove | Matt Black | ST474

The Henley Achill 17.5kW is a high-performance multifuel boiler insert stove designed to heat both your room and your central heating system simultaneously. With a nominal output of 10.2kW (up to 17.5kW maximum), it delivers 6.1kW to the room and 4.1kW to water at nominal output, rising to 6kW room and 11.5kW water at maximum output. A+ energy rated and 83.2% efficient, it is one of the most capable boiler insert stoves available for Irish homes. DEFRA exempt and backed by a 3-year warranty when registered online.

Key Features

  • 17.5kW maximum total heat output (10.2kW nominal)
  • 6.1kW to room and 4.1kW to water at nominal output
  • Up to 6kW to room and 11.5kW to water at maximum output
  • 83.2% efficiency, A+ energy rating
  • DEFRA exempt, suitable for smoke control areas
  • Multifuel, burns wood and solid fuel
  • Clean burn tertiary air system for lower emissions
  • Advanced airwash system to keep the glass clear
  • Primary and secondary air controls
  • Cast iron door, matt black finish
  • 153mm flue outlet
  • 3-year warranty when registered online within 3 months of purchase

Room and Water Output Explained

The Achill 17.5kW splits its heat output between the room and your central heating system. At nominal burn, 6.1kW heats the room directly and 4.1kW goes to the water circuit. At maximum output, up to 11.5kW is delivered to the water, making it capable of contributing significantly to your home's radiator and hot water system. This makes it an excellent choice for homes looking to reduce their reliance on oil or gas central heating.

Clean Burn System

A tertiary air system pushes hot air into the firebox above the normal flame height, allowing excess gases to combust fully. This results in a cleaner, more efficient burn with lower particulate emissions.

Airwash

A specially placed vent draws air across the inside of the glass, helping to keep it clear and giving you an unobstructed view of the flame throughout the burn.

Warranty

Includes 1 year standard manufacturer's warranty. Register your stove online within 3 months of purchase to receive an additional 2 years, giving 3 years total cover.

Technical Specifications

Feature Specification
Brand Henley
SKU ST474
Type Multifuel boiler insert stove
Fuel Multifuel (wood and solid fuel)
Total Output (nominal) 10.2kW
Total Output (maximum) 17.5kW
Room Output (nominal) 6.1kW
Room Output (maximum) 6kW
Water Output (nominal) 4.1kW
Water Output (maximum) 11.5kW
Efficiency 83.2%
Energy Rating A+
DEFRA Exempt Yes
Flue Size 153mm
Finish Matt black
Warranty 3 years (when registered online)

Shipping & Delivery

Ganly's offers both home delivery and Click-and-Collect options.

Home Delivery

Delivery Type Cost Notes
Local Delivery €15 Within 20km of Athlone, Mountbellew & Longford
Small Items €9.95 1–4 working days, nationwide
Medium / Large Items €29.95 3–10 working days, nationwide
Bulky / Oversized €49.95 3–10 working days, nationwide

We have partnered with DPD to provide fast and secure delivery anywhere in Ireland and Northern Ireland. To track your DPD parcel, click HERE.

DPD delivery covers all of Ireland and Northern Ireland for €9.95 up to 31kg. Excluding bulky and oversized items, we do not charge extra for multiple items shipping to the same address.

Please allow 1–4 working days for standard delivery. Large items, pallets, and bulky or oversized items can take up to 10 working days. Items that are special order from the manufacturer may take longer. You will be notified if there is an extended delivery time on any item you purchase.

We will notify you by email once your order has been dispatched and provide a tracking number so you can track your order. Our delivery drivers will call you approximately one hour before delivery. A signature is required on all deliveries.

Click-and-Collect

Any item ordered online can be collected from any Ganly's store. Simply choose the "Collect In-Store" option at checkout and select your preferred store, date, and time. We will have the item ready for you as quickly as possible.

Click-and-Collect orders do not incur a delivery charge. You will receive an email confirming when your item is ready for collection. Please bring a printed or digital copy of your order confirmation when collecting.

Order Processing & Shipping

We process orders 6 days a week, all year round, excluding bank holidays and public holidays. Our courier partners collect orders at 3pm Monday to Friday. Orders placed on Friday after 3pm will be collected the following Monday.

Please check the contents of your package on arrival. If any items are damaged during shipment, notify us immediately upon opening the package and retain all packaging materials.

Damages & Returns

When you purchase online, you have a statutory right to return a product (other than perishable goods) within 14 days of delivery (cooling-off period). We can amend or cancel an order up until it is dispatched. If the order has already been dispatched, you may return the product for a refund, excluding return delivery costs. If a product is damaged or faulty, please contact us and we will arrange a replacement or refund.

Please Note: We will not be liable for any failure to perform, or delay in performance of, any of our obligations under a contract caused by events outside our reasonable control (Force Majeure). This includes, without limitation: strikes, civil commotion, riot, invasion, terrorist attack, war, fire, explosion, storm, flood, earthquake, epidemic, or the impossibility of using public or private transport or telecommunications networks.

Contact Us
Phone: 090 643 5300
Email: info@ganlys.ie

Ganly's Returns — 3 Easy Ways

Step 1 — Return In-Store
Bring a copy of your emailed receipt along with the item to any Ganly's store for an exchange or refund.

Step 2 — Post or Courier
Send the item back via post or courier, including your order number and a contact phone number. Once we receive the item in its original condition, we will contact you to arrange your refund or exchange. If the item is not returned in full merchantable quality with original packaging, a discounted refund may apply.

Step 3 — We Collect It
Call us on (090) 643 5300 and we will arrange a courier collection from your address. This service costs €9.00, which will be deducted from your refund or exchange amount. Available for addresses within the island of Ireland only.

Return Address:

Ganly's Athlone
Roscommon Road,
Athlone,
Co. Westmeath
N37 K303

Phone: (090) 643 5300
Email: info@ganlys.ie

Please Note: Refunds exclude delivery charges. All items must be returned in their original condition, including manufacturer's packaging, tags, documentation, and any accessories. Items must be returned within 14 days of receiving your order.

Returns Policy

When you make an online purchase you have a statutory right to return goods up to 14 days after receiving your order: this is the cooling off period. For our full Returns Policy

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Google Pay
  • Maestro
  • Mastercard
  • Shop Pay
  • Union Pay
  • Visa

We ensure secure processing of your payment information and do not retain or have any access to your credit card details.

Product Questions & Answers

How is the Henley Achill 17.5kW stove’s heat divided between the room and radiators?

At nominal output, the stove produces 10.2kW: approximately 6.1kW heats the room and 4.1kW is transferred to the water and heating system. Henley lists a maximum total output of 17.5kW, including up to 11.5kW to water. The 17.5kW figure is therefore not all delivered to the radiators. The number of radiators it can support must be calculated from their combined output, the property’s heat loss and any hot-water demand

What fuel can I burn in the Henley Achill ST474?

This is a multi-fuel boiler stove suitable for seasoned firewood with a moisture content below 20%, anthracite and manufactured smokeless briquettes approved for closed appliances. The manufacturer recommends logs no larger than approximately 200mm long by 100mm in diameter. Painted, treated, construction or pallet timber should never be burned

Will the Henley Achill ST474 fit my existing fireplace?

The stove measures approximately 626mm wide, 634mm high and 464.5mm deep and requires a 153mm (6-inch) flue connection. Because fireplace openings, chimney condition, hearths and plumbing systems vary, these dimensions should be checked by a qualified installer before ordering. As a boiler stove, it must also be correctly connected to the heating system by a METAC or HETAS-qualified professional

Does Ganly’s deliver throughout Ireland and offer Click & Collect?


Yes. Ganly’s offers nationwide delivery across Ireland, with delivery charges and times based on the size and type of product ordered. Qualifying parcels up to 31kg can also be delivered throughout Ireland and Northern Ireland. Next-working-day delivery is available on eligible small items ordered before 3pm, while large, bulky and palletised products may take longer. Free Click & Collect is available from Ganly’s Athlone, Longford and Mountbellew stores

Can Ganly’s calculate material quantities and provide a project quotation?

Yes. Ganly’s can assist homeowners, builders and contractors with product selection, specification guidance, quantity planning, material take-offs, bulk orders and delivery scheduling. Project support is available across ranges including timber, insulation, roofing, cement and aggregates, drainage and other building materials. To discuss your renovation, construction or home-improvement project, call 090 643 5300, email info@ganlys.ie, or contact the Ganly’s team.

Why shop at Ganly’s for hardware and building supplies?


Ganly’s combines an extensive range of hardware, building materials, tools, appliances and home-improvement products with the personal service of an Irish family-owned business. Established in Athlone in 1989, Ganly’s now employs over 100 people across Athlone, Longford and Mountbellew and is a four-time National Builders’ Merchant of the Year winner. Homeowners, DIY customers and trade professionals can access experienced advice, project quotations, quantity planning, delivery coordination, nationwide delivery and free Click & Collect

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