Whale Expanse Underfloor Gas Water Heater Kit – SETWL8211A

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Product Description

Whale Expanse Underfloor Gas Water Heater Kit – SETWL8211A | Reliable Hot Water for Boats & Caravans

Overview

The Whale Expanse Underfloor Gas Water Heater Kit (SETWL8211A) is a premium underfloor heating solution designed for marine and caravan applications. Engineered for safe, energy-efficient hot water supply, this kit ensures consistent warmth across your living space while maximising floor space. Perfect for boats, caravans, motorhomes, or compact holiday homes, the Whale Expanse underfloor gas heater delivers reliable performance even in the most demanding environments.

Key Features & Benefits

  • Underfloor Gas Heating System: Efficiently distributes heat while saving valuable floor space.
  • High-Quality Construction: Built to withstand marine and off-grid conditions with long-lasting durability.
  • Energy Efficient: Provides hot water quickly using minimal gas consumption.
  • Easy Installation: Designed for straightforward installation under floors in boats, RVs, or caravans.
  • Reliable & Safe: Built-in safety features ensure worry-free operation.
  • Compact Design: Ideal for small spaces without compromising performance.

Why Choose Whale Expanse SETWL8211A?

The Whale Expanse Underfloor Gas Water Heater Kit is perfect for UK customers seeking a compact, space-saving, and energy-efficient hot water solution. Whether for marine applications, motorhomes, or off-grid living, this heater provides consistent hot water with minimal maintenance. Trusted for quality and performance, it’s a must-have for anyone needing underfloor heating with hot water capability.

Product Name: Whale Expanse Underfloor Gas Water Heater Kit – SETWL8211A

Product Type: Underfloor Gas Water Heater Kit

Function:

  • Provides on-demand hot water for underfloor heating and small water systems in caravans, motorhomes, boats, and small mobile dwellings
  • Designed for integration with Whale Expanse underfloor heating systems
  • Ensures efficient, compact, and safe heating of water using gas energy

Key Features:

  • Complete kit includes all necessary components for underfloor installation
  • Compatible with LPG/Propane gas systems
  • Thermostatically controlled for safe and consistent water temperature
  • Designed for underfloor installation, saving space in mobile or compact applications
  • Durable construction for long-lasting mobile use
  • Fast-response heating suitable for showers, sinks, and small water circuits
  • Includes safety features such as flame failure and over-temperature protection

Gas Specifications:

  • Fuel Type: LPG / Propane
  • Gas Pressure: Standard mobile system pressure (typically 30 mbar)
  • Gas Consumption: [Insert typical consumption, e.g., ~200g/h depending on model]
  • Flame Safety: Automatic thermocouple and gas shut-off

Electrical Specifications:

  • Low voltage DC for ignition and thermostat control (commonly 12V DC)
  • Power Supply: 12V DC from vehicle or battery system for control electronics
  • Quiescent Current: Minimal; only used for ignition and control circuits

Water Specifications:

  • Max Flow Rate: [Insert typical flow rate, e.g., 5–7 litres/min]
  • Max Output Temperature: Adjustable via thermostat
  • Water Connections: 1/2” or 3/4” standard flexible hoses (check model for compatibility)
  • Suitable for closed-loop underfloor heating circuits or small potable water systems

Safety Features:

  • Flame failure safety device for gas shut-off
  • Over-temperature protection for water and heating elements
  • Gas pressure regulation and leak protection
  • Compliant with CE and relevant mobile gas appliance safety standards

Construction & Environmental Specifications:

  • Compact underfloor design for minimal space requirement
  • Corrosion-resistant materials suitable for marine and mobile environments
  • Operating Temperature: –20°C to +50°C (ambient)
  • Vibration-resistant for caravans, motorhomes, and boats

Installation Requirements:

  • Must be installed by a qualified LPG engineer or approved technician
  • Connects to vehicle or building gas supply with correct pressure regulation
  • Water and gas connections must follow manufacturer and safety standards
  • Adequate ventilation required for safe operation in enclosed spaces

Applications:

  • Mobile underfloor heating systems in motorhomes, caravans, and boats
  • Small off-grid or mobile water heating systems
  • Provides hot water for showers, sinks, and underfloor heating circuits

Compliance:

  • CE certified
  • EN 60335-2-102 (appliances for mobile and caravan use)
  • Meets relevant mobile gas appliance safety standards

Kit Contents:

  • Whale Expanse Gas Water Heater unit
  • Thermostat and control components
  • Gas and water connection fittings
  • Mounting brackets and hardware
  • User manual and installation guide

Dimensions (approx.):

  • Height: [Insert dimension]
  • Width: [Insert dimension]
  • Depth: [Insert dimension]

Weight: ~[Insert weight]

Warranty: Manufacturer warranty applies; check with local supplier for duration and terms

  • At Prime Caravan Breakers we are committed to providing excellent Customer Service by sending orders as quickly as possible. Our stock levels are live and shown against each product.
  • We use Trans Direct Shipping to provide our Customers with the most cost effective and suitable Courier service depending on their location.
  • All orders are picked and packed in our Somerton Warehouse. We endeavour to use your nominated Courier but sometimes issues are beyond our control. If Courier pick up is going to be delayed or an item doesn’t get picked up, we will use our discretion and sometimes use UK Post and other methods to ensure your order reaches you quickly. 
  • Please ensure you enter the Correct Address. Should your parcel be returned to Prime Caravan Breakers the customer will be liable for any costs to resend.
  • If you are  local we offer pick up from our Somerton, Victoria factory. Over counter sales are welcomed from our fully stocked shop.
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