I refused to sell bottle heaters until we developed our Safe Pressure Relief Valve (SPRV) as fitting a heater to a bottle without one, seriously increases the risk of either the rupture disc blowing or the splitting open (exploding).
In the following video both bottles are having the pressure increased above the SAFE pressure, in the same way a heater could do. The one on the left has the same 'safety' device that yours has and the one on the right has our SPRV.
I ran the outlet from our SPRV in to a bottle of water (center) to show how LITTLE nitrous is needed to bleed out to maintain the SAFE pressure with this device.
If we hadn't continually increased the pressure at an artificially higher rate than normal, the SPRV would have released just the initial bubble or two of pressure and stopped and would not have continued to release the contents.
In contrast as there is NO pressure released from the US type bottle valve, the pressure automatically have kept climbing until the 'safety'
disc burst and if we hadn't secured the bottle to the post, if would have been flying about and would have potentially injured someone.
http://www.noswizard.com/videos/SPRV%20 ... 20last.wmvThis is just one of the many hazards, that US companies don't give a damn about subjecting their customer to, that any responsible and considerate company owner wouldn't do.
With regards to you being happy with your results, you'd just better hope you don't find yourself racing against a similar car that's fitted with a WON system, because as demonstrated by the INDEPENDENT magazine, the WON car would WIN BY A HUGE MARGIN and I doubt you'd be very happy about that.
Although our controllers (like ALL our products) are the best in the world by a mile, I would advise you against pulsing those JUNK American solenoids, as they will fail quick enough when used in the simple ON/OFF mode, never mind when being operated over 200 times per run, as they would when pulsed.
Having said that, our Max offers numerous safety features, that would help guard against the potentially lethal consequences of the INEVITABLE FAILURE of that system, so it would be wise to fit one ASAP just for that reason.