1 YEAR WARRANTY 
-  40 PSI Safety Valve with  RED AIR JET VALVE 
 Fits the following  TUTTNAUER  Autoclaves: 
1730EK, 1730MK, 2340EK, 2340EKA, 2340MK, 2540EK, 2540EKA & 2540MK 
Kit Includes the following: 
1  (RP-TUV065) Safety Valve
 
1  (RP-TUH031)Safety Valve holder
 
1  (RP-TUJ033) Air Valve Jet  (RED)
 
1 - Straight & 1 Elbow connector 
TIP: The Safety valve should always be replaced with the same rated PSI.
You should replace a 37 PSI Valve with a 37 PSI Valve and a 40 with a 40. 
The cracking pressure is etched onto the body of the valve for your reference