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Why go for a varistream controller over a spring controller Dave?
The settings on a varistream put me off, I'm no expert, but don't you have to set the pressure as well as flow on them? Spring controllers just need calibrating now and then. I think @spruce uses varistream controllers.
i have had my varistream 6+ years now, never calibrated it. and havent had any problems.The settings on a varistream put me off, I'm no expert, but don't you have to set the pressure as well as flow on them? Spring controllers just need calibrating now and then. I think @spruce uses varistream controllers.
The Mk1 digital was a good unit. The latest one with the battery read out bars was a bit of a let down for us. Williamson pumps could easily have included an on/off switch on the side but they haven't. They could also have used the off button to switch the controller off as in the mk1 version and added a simple push on switch to activate the battery charge indicator bars - once released the controller will be totally switched off again. Loosing 25% of an 85 amp leisure battery's charge over a week lying idle isn't acceptable in my books.i have had my varistream 6+ years now, never calibrated it. and havent had any problems.