Blog Archive

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 …

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 …

SuperSimplex E – Electronic Water Pump Pressure Switch

When looking for a simple water pump pressure switch, the SuperSimplex E from Mac3 is simply effortless. Installation will take minutes. I’d wager it would take longer to read this blog post than to install the SuperSimplex E. This is a simple inline installation onto 25mm (1”) pipework, either vertically or horizontally – making retrofitting …