Kwik-Check II Oil Pump Pressure Tester P115-2M: Tests pump pressure and cutoff of fuel oil pumps quickly and accurately without removing the pump from the oil burner. Can be used on all pumps with operating pressures up to 300 psi. Quick hook-up fittings make testing easy, clean and simple. Easy-to-follow step-by-step instructions Checks operating pressure and cutoff under actual operating conditions. Color coded hoses. All brass body High impact case. REPLACES WESTWOOD T10 DOES NOT TEST RIELLO OR ANY OTHER EUROPEAN STYLE PUMP WITH METRIC THREADS