Jim Archive

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 …

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 …

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 …

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 …

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 – 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 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 …

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 …

A mechanical water pump pressure switch. Sounds simple enough, right? Well, the SuperSimplex M from Mac3 is just that, so simple it’s almost funny. Super Simplex M – small, simple and green! Installed with a 25mm (1”) BSP fitting top and bottom, the SuperSimplex M will fit just about anywhere – horizontally or vertically – …

Liquid Level Indicator. Tank level display, simplified! The MacNivel is possibly the simplest method of displaying the liquid level in a tank level I’ve encountered. Unfortunately, this makes writing about it somewhat challenging! If I remember one thing from my secondary school days, it would be my first teacher drilling K.I.S.S (Keep It Simple Students …