Grundfos · SCALA Booster Accessories
Grundfos SCALA Booster Accessories
Genuine Grundfos accessories for the SCALA1 and SCALA2 home booster pumps: the SCALA1 twin installation set, the 250 micron inlet filter and a bulk pack of SCALA2 locking pins.
Overview
The SCALA1 twin installation set (part no. 99725168, 1 in NPT) mounts two SCALA1 pumps as one system. It supplies the base plate, inlet and outlet manifolds with isolating valves, the communication cable and the fixing screws. Grundfos describes joint pump control in duty/assist or duty/standby mode, set up in the Grundfos GO app. Each pump and the twin accessories are sold separately.
The inlet filter (part no. 99725185, 1 in NPT) is a 250 micron filter for the pump inlet. Grundfos recommends it when pumping rainwater or well water, to keep sand, gravel and other debris out of the pump. The cartridge can be washed and reused.
The SCALA2 locking pin pack (part no. 99862078) is a bulk pack of 20 locking pins for the SCALA2; the SCALA2 Locking Pin Guide on the Data Sheet tab shows where it goes.
What Ships and What It Needs to Run
Included: the accessory you select. Twin installation set: base plate, inlet and outlet manifolds with isolating valves, communication cable and fixing screws. Inlet filter: the filter housing and its 250 micron cartridge. Locking pins: 20 pins.
Two SCALA1 pumps required for the twin set, ordered separately. The set is for the SCALA1; it does not fit the SCALA2.
Inlet and outlet piping: 1 in NPT, sized to your installation and ordered separately.
Genuine Grundfos equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial supplier.
Warranty
Covered for 12 months from the date of purchase.
Models & Part Numbers
| Accessory |
Fits |
Connection |
Part No. |
| Twin installation set |
Two SCALA1 pumps |
1 in NPT |
99725168 |
| Inlet filter, 250 micron |
SCALA1 and SCALA2 inlet |
1 in NPT |
99725185 |
| Locking pin, bulk pack of 20 |
SCALA2 |
— |
99862078 |
Specifications
| Specification |
Value |
| Twin set materials |
Composite base plate, composite manifold caps with O-rings, brass isolating valves, stainless steel screws |
| SCALA1 twin system, height |
14.2 in |
| SCALA1 twin system, length |
24.2 in |
| SCALA1 twin system, width |
18.6 in |
| Inlet filter rating |
250 micron, 80 % efficiency |
| Inlet filter, maximum working pressure |
116 psi |
| Inlet filter, maximum differential pressure |
11.6 psi |
| Inlet filter, maximum water temperature |
113 °F |
| Inlet filter materials |
Talc-filled polypropylene cartridge core with welded nylon net, composite housing |
From the Grundfos SCALA1 and SCALA2 data booklet 99735562.
Before You OrderThe twin installation set is for SCALA1 only and carries two pumps at most. The inlet filter goes on the inlet side of the pump; its cartridge is washable and reusable. Supplied for installation in the United States and shipped to U.S. addresses only.
