hi andy, i hav two machines with an ashbys 400psi pump one is about 3 years old and still fine the other is about 8 months old and fine , they are very sturdy pumps and will out last smaller pumps over and over again and withstand high temps , and rember thers no eltrics on them as they are driven by a hefty eltric motor
p.s put the inline v2 heater with it u never know how u cleaned before !!!
gary