Ravenheat CSI 120 Low NOx Expansion vessel 0004VAS11011/0

Description

Ravenheat 8L Expansion Vessel 0004VAS11011/0 GC NO: 47-581-37

This Ravenheat CSI 120 Low NOx Expansion vessel is a key component that protects your heating system from pressure-related damage. The boiler expansion tank 0004VAS11011/0 safely absorbs pressure changes caused by water heating and cooling. It ensures safe, stable boiler operation and supports system longevity.

Compatible Boilers

To help you confirm compatibility, this part fits the following boiler models:

Ravenheat CSI Series:

• CSI 120 Low NOx NG/LPG (up to serial no. 16007132) – GC No. 47-581-37

Ravenheat HE Series:

• HE 150N / HE 150NT

Why Choose This Product?

This refurbished expansion vessel provides dependable performance at a fraction of the cost of a new part. Our technicians refurbish each unit to high standards and test it for full functionality. The 0004VAS11011/0 controls system pressure to protect internal boiler parts and ensure smooth heating. It’s a smart, affordable way to extend your boiler’s service life.

Delivery and Return 

Place your order by 2 PM for same-day dispatch. Choose standard or next-day delivery at checkout. You may return items within 14 days if unused and in original packaging.

For safety and compliance, always use a Gas Safe registered engineer when installing boiler parts.