Innovation in Compact Dirty Water Float Switch Operation. The innovative team at Mac3 has developed the Agma W Evo. They have modified the guiding collar of the original Agma W to allow the float arm to self-level by up to 20 degrees from vertical. This groundbreaking improvement empowers us to tackle the challenges of retrofitting…
Mac3 Float Switches – Trust Matters
When you deploy a system that requires turning pumps and valves on or off via the position of a float switch you need to trust that the float switch will work every time. In this post, we look behind the scenes at what makes Mac3 truly great. Mac3 has successfully merged contemporary design and processes…
Key Green – Now it’s even easier to be green!
Is it possible to take a superb idea, and make it better? If pop culture has taught as anything, it is rare (with a few notable exceptions) for a sequel to surpass the original. However, bucking the normal trend, Mac3 have managed just this! By taking the proven and trusted design of the Key Float…
Sequencer(s) – Alternating Pump Relays
The Sequencer from Mac3 is simply a family of duty standby/duty assist relays for balancing the restarts of a twin or triple pump system. Mac3 has (as with the majority of the Mac3 line), produced a simple and effective series of units that just work (though that does make writing about them challenging!). Alternating Pump…
FAQs RainControl – Tank Level Controller
Our blog post about the RainControl Tank Level Control from Mac3 received much attention. There are numerous ways to use the RainControl, both conventionally and unconventionally – the latter being my favourite approach to doing anything! This page answers specific questions about the RainControl to address some common installation questions. Is the RainControl only for…
RainControl – Tank Level Control
The challenge with designing rainwater systems is not only how they operate and function but also the ease of both installation and use by the system owner. Tank level controllers (often seen as a dark art) often fall victim to being overly complicated designs and therefore difficult for end-users to operate or maintain. The RainControl…
Quadri Pump Controller – one or two pumps – it’s just so easy
The Quadri from Mac3 is a configurable pump controller, suitable for single or dual pump installations in both single and three-phase variants. As with all the Mac3 equipment I’ve come across, the quality and attention to detail always shine through. The Quadri is no exception to this, housed in a smart ABS housing – the…
HydroController – Pump Inverter made Simple
Mac3 HydroController Pump Inverter – single-phase or three-phase there is a box of tricks to suit your pump. Inverters, VFDs or ‘that box on the wall’ (yes, I’ve had someone use that one before). There are as many names for these devices as there are types of them. Add into that the variations for voltage…
SensoPress – Simple Tank-level Control
SensoPress – Give me just one Controller and one Probe, and I’ll give you tank-level control. Anyone who has seen my previous posts will see that I firmly believe in the power of simplicity. For any problem, there is always a simple solution (no, it isn’t always a hammer). For instance, if you are looking…
Advanced Flood Warning – RKIT Level Alarms – Forewarned is Forearmed!
Advanced Flood Warning Level Alarms that give the homeowner or work site advanced warning of rising water levels. At this time of year, we often hear of and see footage of rivers bursting their banks – and the damage this causes to homes and businesses around the country. Now, while prevention is always better than…

