Description
Flow Switch, TMT, GP
General Pump’s TMT flow switches are controlled by Tri-Magnet Technology, eliminating the need for a reed switch. GP TMT switches come two formats – GP100975 and GP100879 with Pilot. See below.
GP100975 Specifications:
• Can be mounted in any position
• GPM: 12.0
• Minimum Flow Required for Activation: 1.25 GPM
• Max PSI: 5000
• Minimal pressure drop up to 12 GPM flow
• Operating Temperature Range: 40 – 180 °F
• Electrical Lead Length: 48″ – 18AWG
• Switch Ratings Max Switching Voltage: 250 VAC
• Max Switching Current: 5 AMPS
• Resistance with Leads: 30 OHM
• Inlet: 3/8″ NPT-F
• Outlet: 3/8″ NPT-F
• Voltage: 250 VAC
• Material: Brass, Stainless Steel, Plastic, Nickel-plated Neodymium
• Dimensions: 3.91″ x 1.4″ x 2.95″
• Weight: 1.25 lbs.
GP100879 with Pilot Specifications:
A flow switch with pilot feature that activates with as little as .5 GPM flow. For vertical mounting in tanks and reservoirs. Note: If you use a downstream chemical injector, it should be mounted on the output side of the flow switch.
• Maximum Operating Pressure: 4000 PSI
• Minimum Flow Required for Activation: 0.5 GPM @ 50 PSI
• Maximum Operating Flow: 12.0 GPM
• Operating Temperature Range: 40 – 180 °F
• Electrical Lead Length: 48″ – 18AWG
• Max Switching Voltage: 250 VAC
• Max Switching Current: 5 AMPS
• Resistance with Leads: 30 OHM
• Electrical Service Life: 200,000 Cycles
• Mechanical Service Life: 10,000,000 Cycles
• Inlet: 3/8″ x 18 NPT-F
• Outlet: 3/8″ x 18 NPT-F
• Pilot: 1/4″ Hose Barb
• Dimensions: 4.1″ x 1.6″ x 1.0″
• Weight: 1.3 LBS
• Materials: Buna-N, Brass, Plastic, Nickel Plated Neodymium
• Pilot valve replacement available GP103073 (sold separately)




