| | Johnson, Electronic Temperature Control, -40 to 100°C | $169.46 – $332.42 | | | controls | |
| 10000149 | McDonnell and Miller Series 150S Low Water Cut-Off/Pump Controller | $1,152.00 | | | controls | 150s float head mm mcdonnell |
| 10000155 | McDonnell and Miller Series 150S/157S Low Water Cut-Off/Pump Controller Replacement Float | $358.02 | | | controls | 150s float head mm mcdonnell |
| 10000153 | McDonnell and Miller Series 150S/157S Low Water Cut-Off/Pump Controller Replacement Snap Switch | $424.12 | | | controls | 150s float head mm mcdonnell |
| 10000152 | McDonnell and Miller Series 157S Low Water Cut-Off/Pump Controller | $1,516.54 | | | controls | 150s float head mm mcdonnell |
| | McDonnell and Miller Series 150S/157S Low Water Cut-Off/Pump Mechanism | $1,062.00 – $1,072.12 | | | controls | 150s float head mm mcdonnell |
| | Honeywell PressureTrol Controllers | $214.10 – $455.46 | | | controls | |
