Superb Grundfos 4 Bar Negative Twin Shower Pump Stn-4.0 B & Warranty

BAR NEGATIVE HEAD SHOWER PUMP & HOSES. MODEL: STN 4.0 B. BRIEFLY FITTED IN AN ANNEXE AND REMOVED DURING RENOVATION DECIDING ON A MAINS PRESSURE SYSTEM WHICH DID NOT REQUIRE A PUMP. PERFECT WORKING ORDER READY TO FIT , HAVING BEEN FULLY SERVICED AND TESTED THIS WEEK BY OUR PLUMBER. HIGH QUALITY FROM THE LEADERS IN SHOWER PUMPS. 4 X GENUINE GRUNDFOS FLEXIBLE HOSES (22mm PUSH FIT). RUBBER FEET FOR VIBRATION-FREE NOISE ISOLATION. The Grundfos Amazon STN-4.0 B is a Positive & Negative head shower booster pump used to increase water pressure to a gravity fed hot water system.

It's ideal for boosting water to single/multiple showers where the outlets are above or below the cold water tank. Dimensions: (L)284 x (W)225 x (H)283mm.

Closed Valve Pressure (bar): 4.1. Low noise design - quiet induction motor and minimal turbulence pump head. Supplied with 22mm Stainless steel hoses. Fitted with long-life silicon carbide seals. Twin (STN) & Single (SSN) impellers.

Regenerative impeller designed to overcome air pockets. Premium brass pump head and impeller. Auto activation in Negative Head operation.

Dry run protection built in. ANY QUESTIONS FEEL FREE TO ASK.

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