The geocontrol PRO™ is the controller that drives a Geotech bladder pump. It meters compressed air into the pump on a timed cycle — you set the drive and vent intervals, and the controller repeats them precisely, which is what produces the steady, low-turbidity flow that low-flow sampling protocols require.

Supplied in a field case with a 12V cord and battery. Pressure range 0–100 PSI, cycle timing 0–180 seconds.

Kit or controller only

• Pump kits pair the controller with a pump in your well diameter — 1.66", 0.85" or 0.675" — and include the battery. The straightforward way to start from nothing.
• PFAS-free kits are the same package built with documented fluoropolymer-free wetted materials, for programs where PFAS is an analyte. Same price as standard.
• Controller only ships without a pump or battery, for anyone adding a second controller to an existing fleet.

Completing your system

Beyond the controller and pump you will need bladders, bonded tubing and a reel — all sized to your pump diameter. Each diameter has a collection gathering everything that fits:

• 1.66" Bladder Pump System — for 2" wells
• 0.85" Bladder Pump System — for 1" wells
• 0.675" Bladder Pump System — for 3/4" wells and direct-push points

Accessories

Bladders, bonded tubing, drop tube intake assemblies, quick connects and coated suspension cable are all stocked separately — see the full Bladder Pump Parts & Accessories range. Bladders are a consumable, so keep spares sized to your pump; note that only the polyethylene bladders are PFAS-free, as PTFE is a fluoropolymer.

• Bladders — 1.66" | 0.85" | 0.675"
• Bonded tubing — 1.66" | 0.675" & 0.85", plus the wider Geotech Tubing range

Parts & service

Both repair-parts pages carry the exploded parts diagram with numbered callouts taken from Section 7 of the manual, so you can identify a component before ordering:

• geocontrol PRO repair parts — compressor, solenoid, PCB assembly, pressure gauge, front-panel controls and hardware
• 1.66" portable bladder pump repair parts — O-ring service kits, check balls, caps, screens and intake assemblies, in standard and PFAS-free builds

Geotech Service can advise on whether a unit is worth repairing in the field: 1-800-833-7958.

Specifications | Installation & Operation Manual