These Repair Kits for the Pressure Switch "Big" are virtually the entire backside, or "tail" of the product. It looks the same, but is missing the front nozzle. The size you need for repair is based on PSI, chosen above.
PRESSURE SWITCH BIG 3/8 INCH 115 PSI - YELLOW - 4100PSI MAXIMUM - 250 VOLT - MAXIMUM 15 AMP - 195 DEGREES F
Warning California Proposition 65
Detectable amount of chemicals known to the State of California to cause cancer, birth defects or other reproductive harm may be found in pressure washing equipment, accessories and exhaust. For More Information Visit www.p65warnings.ca.gov