The GP-1 and GP-2 are the Kenrich Products’ single diaphragm, hand-operated Grout Pumps, in both a 1.9 and 4.6 gallon hopper capacity. The video reviews:

• The contents of the GP-1 and GP-2 Repair Kits, part # 5019-20.
• Step-by-step procedures to change out your grout pump’s 1 diaphragm & 2 flapper valves.
• How to troubleshoot and test your grout pump, to confirm that is working properly.

The GP-3A is the Kenrich Products’ single diaphragm, air operated Grout Pumps, with a 4.6 gallon hopper capacity. The video reviews:

• The contents of the GP-3A Repair Kit, part # 5019-37.
• Step-by-step procedures to change out your grout pump’s 1 diaphragm & 2 flapper valves.
• How to troubleshoot and test your grout pump, to confirm that it is working properly.

The GP-6 and GP-7 are the Kenrich Products’ twin diaphragm, hand-operated Grout Pumps, both with a 4.6 gallon hopper capacity. Same pump, only difference is the GP-7 includes the optional door frame boom assembly. This video reviews:

• The contents of the GP-6 and GP-7 Repair Kits, part # 5019-34.
• Step-by-step procedure to change out your grout pump’s 2 diaphragm & 4 flapper valves.
• How to troubleshoot and test operations, to confirm that your grout pump is working properly.

A pressure gauge is available on all models of pumps, plastic or metal body, except the GP-7 with boom assembly. This video:

• Reviews the pressure gauge operations, cleaning and maintenance.
• The pressure gauge reads up to15 psi, which is the max pressure threshold on all Kenrich Pumps.
• Available for installation only at the time of original pump purchase, build to order, not sold separately.

In this video, we show you how to test your Grout Pump with water, either straight out of the box or after you have repaired it. We also include three bullet points that will help with some issues you may or may not encounter:

• Use Proper Grout Viscosity
• Use aggregate no larger than 3/8" Pea Gravel
• Do not improperly reduce issued hose (hoses come in 1 1/2", 1" and 3/4")

The GP-3A is the Kenrich Products’ single diaphragm, air operated Grout Pumps, with a 4.6 gallon hopper capacity. The video reviews:

• A few does and don'ts of operating your Kenrich air operated grout pump.
• Troubleshooting potential problems.