To view files Autodesk Viewer can be found here. https://viewer.autodesk.com/
Series 20 General Purpose Valves Conduit
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-1-4-NPT-CONDUIT/MODEL-21-1-4-NPT-CONDUIT-thumb.gif)
MODEL 21 1/4-18 NPT
2WNO CONDUIT CONNECTION
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-1-8-NPT-CONDUIT/MODEL-21-1-8-NPT-CONDUIT-thumb.gif)
MODEL 21 1/8-27 NPT
2WNO CONDUIT CONNECTION
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-MANUAL-OVERRIDE-CONDUIT/MODEL-21-MANUAL-OVERRIDE-CONDUIT-thumb.gif)
MODEL 21 MANUAL OVERRIDE
2WNO
CONDUIT COIL CONNECTION
Series 20 General Purpose Valves DIN
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-1-4-NPT-DIN/MODEL-21-1-4-NPT-DIN-thumb.gif)
MODEL 21 1/4-18 NPT
2WNO
DIN STYLE COIL
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-1-8-NPT-DIN/MODEL-21-1-8-NPT-DIN-thumb.gif)
MODEL 21 1/8-27 NPT
2WNO
DIN STYLE COIL
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-MANUAL-OVERRIDE-DIN/MODEL-21-MANUAL-OVERRIDE-DIN-thumb.gif)
MODEL 21 MANUAL OVERRIDE
2WNO
DIN STYLE COIL
Series 20 General Purpose Valves Grommet
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-1-4-NPT-GROMMET/MODEL-21-1-4-NPT-GROMMET-thumb.gif)
MODEL 21 1/4-18 NPT
2WNO GROMMET WITH LEADS
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-1-8-NPT-GROMMET/MODEL-21-1-8-NPT-GROMMET-thumb.gif)
MODEL 21 1/8-27 NPT
2WNO GROMMET WITH LEADS
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-MANUAL-OVERRIDE-GROMMET/MODEL-21-MANUAL-OVERRIDE-GROMMET-thumb.gif)
MODEL 21 MANUAL OVERRIDE
2WNO
GROMMET HOUSING WITH LEADS
Series 20 General Purpose Valves Yoke Leads
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-1-4-NPT-YOKE-LEADS/MODEL-21-1-4-NPT-YOKE-LEADS-thumb.gif)
MODEL 21 1/4-18 NPT
2WNO
MOLDED COIL WITH YOKE
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-1-8-NPT-YOKE-LEADS/MODEL-21-1-8-NPT-YOKE-LEADS-thumb.gif)
MODEL 21 1/8-27 NPT
2WNO
MOLDED COIL WITH YOKE
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-MANUAL-OVERRIDE-YOKE-LEADS/MODEL-21-MANUAL-OVERRIDE-YOKE-LEADS-thumb.gif)
MODEL 21 MANUAL OVERRIDE
2WNO
MOLDED COIL WITH LEADS
Series 20 General Purpose Valves Yoke Spades
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-1-4-NPT-YOKE-SPADES/MODEL-21-1-4-NPT-YOKE-SPADES-thumb.gif)
MODEL 21 1/4-18 NPT
2WNO
SPADE COIL WITH YOKE
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-1-8-NPT-YOKE-SPADES/MODEL-21-1-8-NPT-YOKE-SPADES-thumb.gif)
MODEL 21 1/8-27 NPT
2WNO
SPADE COIL WITH YOKE
![](https://peterpaul.com/downloads/SERIES-20-MODEL-21/MODEL-21-MANUAL-OVERRIDE-YOKE-SPADES/MODEL-21-MANUAL-OVERRIDE-YOKE-SPADES-thumb.gif)
MODEL 21 MANUAL OVERRIDE
2WNO
YOKE WITH SPADE TERMINALS
Series 20 General Purpose Valves Conduit/Bracket Connection
Series 20 General Purpose Valves Grommet/Bracket Connection