Home » Tony’s Tips » Articles » ZF 220A or 220V Pressure and Temperature Sender or Switch LocationsZF 220A or 220V Pressure and Temperature Sender or Switch Locations Pressure port for switch ZF 220V & 220A — Thread size is 1/4″ G (Not an NPT Pipe Thread) You MUST use an adapter to convert to 1/8″ NPT or other pipe thread. Thread size is 1/4ā³ G (Not an NPT Pipe Thread) You MUST use an adapter to convert to 1/8ā³ NPT or other pipe thread. ZF 220A & 220V Gear Oil Pressure Adapter Fittingnot rated $21.00 In stock ZF 220A & 220V Gear Oil Pressure Adapter Fitting quantity Add to cart Cummins VDO Gear Oil Pressure Sending Unit 0-400 PSInot rated $79.00 Select options SMX Cummins Gear Oil Pressure Sending Unit 0-400 PSInot rated $71.00 In stock SMX Cummins Gear Oil Pressure Sending Unit 0-400 PSI quantity Add to cart Cummins VDO Temperature Sending Unit 250F/120Cnot rated $68.00 Select options Cummins VDO Transmission Temperature Sending Unit 250F/120Cnot rated $37.00 In stock Cummins VDO Transmission Temperature Sending Unit 250F/120C quantity Add to cart SMX Transmission Sender / Switch Oil Line Adapter Fittingnot rated $26.00 – $110.00 Select options