Hyco 133-1021 Speedflow SF3 2 Litre Expansion Vessel and Check Valve 3.5 bar

The Hyco 133-1021 SF3 kit provides a 2 litre potable expansion vessel (pre-set to 3.5 bar) and 15 mm single check valve for use with Hyco Speedflow 5 L, 10 L and 15 L unvented water heaters. It is required where expansion cannot be accommodated within the cold supply pipework or where a cold water draw-off is within the expansion zone.

Key Features

• Complete SF3 kit: 2 L expansion vessel + check valve
• Pre-set pressure: 3.5 bar
• 15 mm DZR brass single check valve
• Compact white expansion vessel suitable for vertical installation
• Complies with Water Regulations for unvented installations

Specifications

• Expansion vessel capacity: 2 litres
• Expansion vessel dimensions: 225 mm (H) x 120 mm (W) x 120 mm (D)
• Weight: 1.0 kg (vessel)
• Check valve dimensions: 65 mm (H) x 25 mm (W) x 25 mm (D)
• Manufactured in the United Kingdom

Applications

Accessory kit for Hyco Speedflow unvented (mains pressure) water heaters in cloakrooms, kitchens and other small-volume installations. Use the unvented accessory flow chart to confirm requirement.

What’s in the box

• 1 x 2 L expansion vessel
• 1 x 15 mm single check valve