The Pentair 42001-0060S is a Water Pressure Switch. It is compatible for use with the ETi 400 High Efficiency Heater. It is a genuine Pentair product.
Washer, Pentair EQ Series, Split Lock, 3/8", SS
Price: $2.69
Washer 5/16 S/S316 Do To Use, Use Wc632018
Price: $2.81
Wd700 1.5" Bh Conn. 4" Neck 102psi
Price: $1,477.74
Wd400 1.5" Bh Conn. 4" Neck 102psi
Price: $833.75
Electrochlor Reducing Bushing
Price: $14.13
Ful Flo 3-Way Valve Ring
Price: Discontinued by Manufacturer
Waterking Tablet Chlorinator
Price: $129.11
Supaskimmer Face Plate Assembly
Price: $108.43