Pressure Switches

This Pressure Switch Pentair MMX-MMX Plus Powermax was sold both as a Barksdale and a Tecmark switch. Need a different pressure switch? Contact Pool Spa Outpost for assistance.

Series 4000 Pressure Switch

FlowVis® flow meter by H2Flow: Combined flow meter and check valve – no calibration required Average accuracy of 2% between 20-110 GPM Can be used on 3 inch pipe if flow rate is 110 GPM or less NSF Certified to 50 psi Head Loss: 0.77 psi at 20 GPM...

FlowVis® flow meter by H2Flow: Combined flow meter and check valve – no calibration required Average accuracy of 2.01% between 20-110 GPM Can be used on 3 inch pipe if flow rate is 110 GPM or less NSF Certified to 50 psi NSF 50 for complete model...

FlowVis® flow meter by H2Flow: Combined flow meter and check valve – no calibration required Average accuracy of 2.01% between 20-110 GPM Can be used on 3 inch pipe if flow rate is 110 GPM or less NSF Certified to 50 psi NSF 50 for complete model...

FlowVis® flow meter by H2Flow: Combined flow meter and check valve – no calibration required Average accuracy of 2.01% between 20-110 GPM Can be used on 3 inch pipe if flow rate is 110 GPM or less NSF Certified to 50 psi NSF 50 for complete model...

Fits all Minimax NT style heaters

Series 4000 Pressure Switch

Series 4000 Pressure Switch

Dimension One Flow Switch. Contact us to verify stock before ordering this special order item.Fits Proportional Fast Flo Heater

Adjustable from 1-5psi, 1/8"npt or 1/2" panel mount, rated at 21 ampsHergair# 6742P:A:T# PM21120ADPDT

Adjustable from 1-5psi, 1/8"npt or 1/2" panel mount, rated at 21 ampsHergair# 6741P:A:T# PM11120ASPDT

Adjustable from 1-5psi, 1/8" side nipple, mounts to panel with self-tapping #4 screws. Rated at 21 ampsHergair# 6731-10P:A:T# PR11120ASPDT

Adjustable 1-5psi, 1/2"thd panel mount only, rated at 21 ampsP:A:T# PT21120ADPDT

Adjustable 1-5psi, 1/2"thd panel mount only, rated at 21 ampsP:A:T# PT11120ASPDT

Vacuum Switch1/8"npt, no panel mount, 21 amp

VA-2000 Series SVRSFeatures:Vac-Alert™ Model VA-2000 SVRS unit reacts in less than a second to quickly release dangerous pump suction vacuumA totally mechanical, non-electric safety system, the VA-2000 SVRS is easy to install, adjust and...

Universal Pressure SwitchWill retrofit to virtually any pressure switch application. 3902 Series replaces all pilot duty and millivolt gas heater applications. 3925 Series replaces all 25 amp electric heater applications. Shipped with a 1/8" barb adapter...

Universal Pressure SwitchWill retrofit to virtually any pressure switch application. 3902 Series replaces all pilot duty and millivolt gas heater applications. 3925 Series replaces all 1 amp electric heater applications. Shipped with a 1/8" barb adapter...

Universal Pressure SwitchIntroduced in 1993 specifically for the pool and spa industry, this pressure switch is designed with a 2-1/2 lb differential to completely eliminate oscillating or chattering relays. This uses a plastic pan material. Available as...

Universal Pressure SwitchIntroduced in 1993 specifically for the pool and spa industry, this pressure switch is designed with a 2-1/2 lb differential to completely eliminate oscillating or chattering relays. This uses a plastic pan material. Available as...

Universal Pressure SwitchIntroduced in 1993 specifically for the pool and spa industry, this pressure switch is designed with a 2-1/2 lb differential to completely eliminate oscillating or chattering relays. This uses a plastic pan material. Available as...

Universal Pressure SwitchIntroduced in 1993 specifically for the pool and spa industry, this pressure switch is designed with a 2-1/2 lb differential to completely eliminate oscillating or chattering relays. This uses a plastic pan material and is for...

Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designSPDT21 ampMomentaryside mounting

Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designSPDT21 ampMomentary9/16" thd

Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designSPDT21 ampLatchingside mounting

Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designSPDT21 ampLatching9/16" thd

Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designSPDT10 ampMomentary9/16" thd

Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designSPDT10 ampLatching9/16" thd

Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designDPDT21 ampMomentaryside mounting

Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designDPDT21 ampMomentary9/16" thd

Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designDPDT21 ampLatchingside mounting

Tinytrol™ Air SensorProvide the same powerful switching action in a small package as found in larger air switches. Available in single pole or a very sensitive patented double pole designDPDT21 ampLatching9/16" thd

Tinytrol Pressure Switch1/8"NPT, no panel mount, 2psi, 21 amp, SPDT

Threaded MountCenter spout, single or double pole, latching or momentary contacts. These switchesare rated at 20 amps and mount with hex nut and 9/16" threadSPDTMomentaryP:A:T#ATM-111A

Threaded MountCenter spout, single or double pole, latching or momentary contacts. These switchesare rated at 20 amps and mount with hex nut and 9/16" threadSPDTLatchingP:A:T#ATA-111A

Threaded MountCenter spout, single or double pole, latching or momentary contacts. These switchesare rated at 20 amps and mount with hex nut and 9/16" threadDPDTMomentaryP:A:T#ATM-211A

Threaded MountCenter spout, single or double pole, latching or momentary contacts. These switchesare rated at 20 amps and mount with hex nut and 9/16" threadDPDTLatchingP:A:T#ATA-211A

Sundance Flow SwitchWith transparent tee fitting; fits all 6/99- present 2-pump/3-pump Sundance systems and all 2001 + 1-pump Capri models. Replaces 6560-858

Sundance Flow SwitchWith transparent tee fitting; fits all 6/99- present 1-pump systems (except 2001–present Capri)