Shop by Brand > TPI > Pressure Switch TPI Adjustable Automatic Reset Air Flow Differential Pressure Switch SKU RH3 Volts 120-277 Color Gray Housing Price $96.00 $61.44 x Add To Cart TPI Adjustable Automatic Reset Air Flow Differential Pressure Switch SKU RH35 Volts 120-277 Color Gray Housing Price $96.00 $61.44 x Add To Cart TPI Adjustable Automatic Reset Air Flow Differential Pressure Switch SKU RH3A Volts 120-277 Color Gray Housing Price $86.00 $55.04 x Add To Cart TPI Fixed Automatic Reset Air Flow Differential Pressure Switch SKU RH1505D0 Volts 120-277 Color Gray Housing Price $66.00 $42.24 x Add To Cart My Account Login Forgot Password Register New User Sign Up For Email Enter your email to receive exclusive offers, tips, and more straight to your inbox.