Manufactured by Hydroquip for their triple bend heaters. Also fits the original Hotspring 1.5kw heater. The original switch is square (2nd photo), this is round and fits and works in exactly the same way. Supplied with new cables. The short cable for Hot Spot and the long cable for IQ2020 Hotspring and Caldera heaters. July 2024 - we are the first company...
Fitted to every Balboa pressure switched heater. Probably the most common pressure switch in European spas.
Tecmark pressure switch 3037P CX Whilst this looks the same, IT IS NOT the type commonly fitted to Balboa heaters. (Image for illustration only - looks identical)
Very common Tecmark pressure switch found in Gecko, Hydroquip, Balboa and other spa systems. The latter version of this switch will be found carrying the 3903 code. Also known as the Hydroquip 34-0178.
Tecmark pressure switch, 4000 series. The 4037P is a main switch that can be used in place of these different codes : 70-1005 4010P 4136P-EW Used on many spa brand systems.