Speedflow Undersink Water Heater Expansion Vessel SF3 Kit

Speedflow Undersink Water Heater Expansion Vessel SF3 Kit
The SF3 kit contains a 2 Litre Expansion vessel and check valve to prevent expanded hot water re-entering the cold water supply. The SF3 kit is suitable for use with small unvented water heaters such as the Hyco Speedflow units such as SF10K & SF15K.
2 Litre Stainless Steel Expansion vessel
15mm single check valve