STAINLESS STEEL UNVENTED MAINS PRESSURE SYSTEM

McDONALD ENGINEERSH O T W A T E R S Y S T E M S

energy efficient hot water cylinders since 1945

SOlAR uniTS AvAilAblE

McDonald EngineersQueensway Industrial EstateGlenrothes FIFE KY7 5QFT: 01592 611123 F: 01592 611166E: sales@mcdonald-engineers.comwww.mcdonald-engineers.com

Quality Cylinders Made AffordableMcDonald Engineers is synonymous with superior quality hot water cylinders and it’s STEELflow range of Stainless Steel unvented cylinders is no exception.

STEELflow is manufactured from premium grade duplex stainless steel, to McDonald Engineers uncompromising efficiency and quality standards. STEELflow offers a range of high performance cylinders for those on a budget.

Why choose STEElflow?

• Cost effective alternative to copper

• High operating pressure

• Designed for ease of installation

• Manufactured from corrosion resistant material for aggressive water areas

• Produced by the UK’s most experienced cylinder manufacturer

TECHNICAL DATADiMEnSiOnS

CApACiTY (liTRES) SizE inCluDing inSulATiOn

120 910 x 550mm

150 1100 x 550mm

180 1290 x 550mm

210 1480 x 550mm

250 1730 x 550mm

300 2050 x 550mm

Sizing guiDE

installation indirect Direct

1 bedroom bath & shower 120 120/150

2 bedroom bath & shower 150 150/180

3 bedroom bath & shower 150/180 210

4 bedroom bath & shower 180/210 250

5 bedroom 2 bath & shower 210/250 300

6 bedroom 2 bath & 2 shower 300 300

units can be twinned together for larger properties/higher water demand. SOlAR uniTS AvAilAblE.In the interest of continued development, the manufacturers reserve the right to change the specification and design without notice.

In addition to the above, all units supplied with 22mm Pressure Reducing Valve & Strainer, 22mm Check Valve, Expansion Vessel with Fixing Kit and 22mm Tee. Indirects also supplied with 22mm 2 Port Motorised Zone Valve.

Expansion Relief Valve 15mm (Fitted)

Drain Connection ½” Female

Fast Recovery Coil In Coil * 22mm Compression

Tundish 15mm x 22mm (Fitted)

Cold Feed 22mm Compression

1¾” Immersion Heater (Fitted) INDIRECTS: 1 x 3kW DIRECTS: 2 x 3kW

Secondary Return (Optional below 180L)1/2” BSP Female Boss

Combined Control and High Limit Stat*

Hot Draw Off 22mm Compression

Pressure & Temperature ReliefValve 15mm (Fitted)

STEElflow COnnECTiOnS (Indirect Model shown)

* Indirect Units Only