Alde Wall Expansion Tank – 3010/3020/3030 Compatible – 3000-420

About this product

The Alde Wall Expansion Tank is an official Alde part supplied for use with compatible Alde hydronic heating systems. Designed as a direct replacement for earlier or discontinued wall‑mounted tanks, it provides the correct specification for customer‑led refurbishment or system updates.

Key product details

• Model supplied: Alde Wall Expansion Tank • Kit code (if applicable): Not applicable • Compatibility: Alde 3010 / 3020 Compact / 3030 systems • Replaces: Earlier Alde wall‑mounted expansion tanks • Interface / function type: Hydronic expansion reservoir • Included items: Tank body only (no hoses, clamps, or fixings supplied) • Additional features: Transparent body for fluid‑level visibility; wall‑mount design

Pricing and order requirements

Each item is priced individually. Customers typically purchase one unit per heating system. No minimum order quantity applies unless stated.

Typical use context

Commonly used when replacing or upgrading the expansion reservoir within Alde 3010 / 3020 / 3030 heating systems. Customers typically install this part during system refurbishment, modernisation, or when replacing a discoloured, cracked, or discontinued tank.

Compatibility notes

Compatibility varies between caravan and motorhome manufacturers and model years. Customers usually confirm: • Existing expansion tank model • System model (e.g., Alde 3010 / 3020 / 3030) • Mounting location and available space • Hose diameter and routing • Condition of the existing glycol and system pressure

Aperture information (if applicable)

• Earlier Alde tanks → same functional footprint • OEM installations → customers typically check hose length and routing • Direct replacement → same mounting style as supplied component

Compatibility matrix

Installation notes

This component is designed to replace earlier Alde expansion tanks using the existing system layout. Customers typically check mounting points, hose diameter, routing, and access around the installation area. No system modifications are normally required when replacing like for like components.

Customers usually confirm: • Existing component model • Aperture size or mounting points • Condition and routing of the existing hose • Access to the installation location

Components are supplied as raw materials for customer‑led projects. Customers often follow Alde’s published fitting guidance or consult a qualified technician if required.

Important Considerations (Disclaimer)

• Customers should check their existing boiler model before ordering • Confirm all dimensions, hose sizes, and available mounting space • Ensure the tank is compatible with the correct Alde hydronic system • Components are supplied as raw materials for customer‑led projects • Customers often check delivery access and installation space before fitting • No installation instructions are provided; customers typically refer to Alde’s published guidance or seek professional assistance if required

Information Accuracy & Reliance

• All product information is supplied for general guidance only • No guarantee is given that the details are complete, up to date, or applicable to every installation scenario • Customers are responsible for independently verifying all specifications, measurements, and system requirements before purchase

Specification table

What’s included

One Alde Wall Expansion Tank supplied as described. Price is per unit.

Delivery & handling notes

Components are securely packaged for courier delivery. Customers often check access to the installation area before fitting.

Internal links

• Alde Heating & Control Systems • Alde Spares • Adhesives & Fixings • Electrical Installation Accessories