Our heating expansion vessels range from 8 litres up to 1000 litres, enabling us to provide a suitable vessel for any heating system application. Our vessels are designed for reliability and sized to ensure our systems work within the correct pressure parameters. Fitted with a synthetic rubber membrane (SBR), they’re approved and manufactured according to the Directive 97/23/CE, for hydronics and non-potable water.

Sizing Table:

	capacity liters	diameter mm	height mm	max pressure	precharge	connection
	4	225	195	5 bar	1.5 bar	3/4"G
	8	220	295	5 bar	1.5 bar	3/4"G
	12	294	281	4 bar	1.5 bar	3/4"G
	18	290	400	4 bar	1.5 bar	3/4"G
	24	324	415	4 bar	1.5 bar	3/4"G
	35	404	408	4 bar	1.5 bar	3/4"G
	50	404	530	4 bar	1.5 bar	3/4"G
	80	450	608	6 bar	2 bar	3/4"G
	105	500	665	6 bar	2 bar	3/4"G
	150	500	897	6 bar	2 bar	3/4"G
	200	600	812	6 bar	2.5 bar	3/4"G
	250	630	957	6 bar	2.5 bar	3/4"G
	300	630	1105	6 bar	2.5 bar	3/4"G
	400	630	1450	6 bar	2.5 bar	3/4"G
	500	750	1340	6 bar	2.5 bar	1"G
	600	750	1555	6 bar	2.5 bar	1"G
	700	750	1755	6 bar	2.5 bar	1"G
	800	750	2145	6 bar	2.5 bar	1½"G