Features:
- Special snap action switch mechanism options eliminates frequent operation due to surging water level
- Transparent cover provides convenient visible operation of the switch
- Flanged chamber for easy clean out and replacement of float or switch mechanism without removing the unit from piping
The Series 123, 125 Boiler Water Level Controls are designed for boiler applications, the 123 is primarily used for low water cut-off or feed-water control. Other applications include condensate tanks and deaerators. A special snap action switch mechanism eliminates frequent operation due to surging water level. A transparent cover provides convenient visible operation of the switch. Features a flanged chamber for easy clean out and replacement of float or switch mechanism without removing the unit from piping. The 125 offers the same long lasting service with a direct action mercury switch movement that provides a close deadband where needed.
For more information, please see 
Data Sheet
Meantime you may review Dwyer bestsellers or review the list of all available Dwyer products in the table below.
You may request a quote for a specific product or just contact us at any time
For more products see Product List
| Part Number |
| 123XLW-2440V |
| 123XLW-3440V |
| 123RU-2440V |
| 123RU-3440V |
| 123RL-2440V |
| 123RL-3440V |
| 123RUXLW-2440V |
| 123RUXLW-3440V |
| 123RLXLW-2440V |
| 123RLXLW-3440V |
| 123XLS-2440V |
| 123XLS-3440V |
| 123-2 |
| 123-2-23720 |
| 123-3 |
| 123-3-23720 |
| 123-103 |
| 123-103-23720 |
| 123-127 |
| 123-127-23720 |
| 123-151V |
| 123-151V-23720 |
| 123-152 |
| 123-152-23720 |
| 123-153 |
| 123-153-23720 |
| 123-156 |
| 123-156-23720 |
| 123-160 |
| 123-160-23720 |
| 123-162 |
| 123-162-23720 |
| 123-702 |
| 123-702-23720 |
| 123-705 |
| 123-705-23720 |
| 123-729 |
| 123-729-23720 |
| 123-804 |
| 123-804-23720 |
| 123-7000-153 |
| 123-7000-153-23720 |
| 123XLW-2 |
| 123XLW-2-23720 |
| 123XLW-3 |
| 123XLW-3-23720 |
| 123XLW-103 |
| 123XLW-103-23720 |
| 123XLW-127 |
| 123XLW-127-23720 |
| 123XLW-151V |
| 123XLW-151V-23720 |
| 123XLW-152 |
| 123XLW-152-23720 |
| 123XLW-153 |
| 123XLW-153-23720 |
| 123XLW-156 |
| 123XLW-156-23720 |
| 123XLW-160 |
| 123XLW-160-23720 |
| 123XLW-162 |
| 123XLW-162-23720 |
| 123XLW-702 |
| 123XLW-702-23720 |
| 123XLW-705 |
| 123XLW-705-23720 |
| 123XLW-729 |
| 123XLW-729-23720 |
| 123XLW-804 |
| 123XLW-804-23720 |
| 123XLW-7000-153 |
| 123XLW-7000-153-23720 |
| 123RU-2 |
| 123RU-2-23720 |
| 123RU-3 |
| 123RU-3-23720 |
| 123RU-103 |
| 123RU-103-23720 |
| 123RU-127 |
| 123RU-127-23720 |
| 123RU-151V |
| 123RU-151V-23720 |
| 123RU-152 |
| 123RU-152-23720 |
| 123RU-153 |
| 123RU-153-23720 |
| 123RU-156 |
| 123RU-156-23720 |
| 123RU-160 |
| 123RU-160-23720 |
| 123RU-162 |
| 123RU-162-23720 |
| 123RU-702 |
| 123RU-702-23720 |
| 123RU-705 |
| 123RU-705-23720 |
| 123RU-729 |
| 123RU-729-23720 |
| 123RU-804 |
| 123RU-804-23720 |
| 123RU-7000-153 |
| 123RU-7000-153-23720 |
| 123RL-2 |
| 123RL-2-23720 |
| 123RL-3 |
| 123RL-3-23720 |
| 123RL-103 |
| 123RL-103-23720 |
| 123RL-127 |
| 123RL-127-23720 |
| 123RL-151V |
| 123RL-151V-23720 |
| 123RL-152 |
| 123RL-152-23720 |
| 123RL-153 |
| 123RL-153-23720 |
| 123RL-156 |
| 123RL-156-23720 |
| 123RL-160 |
| 123RL-160-23720 |
| 123RL-162 |
| 123RL-162-23720 |
| 123RL-702 |
| 123RL-702-23720 |
| 123RL-705 |
| 123RL-705-23720 |
| 123RL-729 |
| 123RL-729-23720 |
| 123RL-804 |
| 123RL-804-23720 |
| 123RL-7000-153 |
| 123RL-7000-153-23720 |
| 123RUXLW-2 |
| 123RUXLW-2-23720 |
| 123RUXLW-3 |
| 123RUXLW-3-23720 |
| 123RUXLW-103 |
| 123RUXLW-103-23720 |
| 123RUXLW-127 |
| 123RUXLW-127-23720 |
| 123RUXLW-151V |
| 123RUXLW-151V-23720 |
| 123RUXLW-152 |
| 123RUXLW-152-23720 |
| 123RUXLW-153 |
| 123RUXLW-153-23720 |
| 123RUXLW-156 |
| 123RUXLW-156-23720 |
| 123RUXLW-160 |
| 123RUXLW-160-23720 |
| 123RUXLW-162 |
| 123RUXLW-162-23720 |
| 123RUXLW-702 |
| 123RUXLW-702-23720 |
| 123RUXLW-705 |
| 123RUXLW-705-23720 |
| 123RUXLW-729 |
| 123RUXLW-729-23720 |
| 123RUXLW-804 |
| 123RUXLW-804-23720 |
| 123RUXLW-7000-153 |
| 123RUXLW-7000-153-23720 |
| 123RLXLW-2 |
| 123RLXLW-2-23720 |
| 123RLXLW-3 |
| 123RLXLW-3-23720 |
| 123RLXLW-103 |
| 123RLXLW-103-23720 |
| 123RLXLW-127 |
| 123RLXLW-127-23720 |
| 123RLXLW-151V |
| 123RLXLW-151V-23720 |
| 123RLXLW-152 |
| 123RLXLW-152-23720 |
| 123RLXLW-153 |
| 123RLXLW-153-23720 |
| 123RLXLW-156 |
| 123RLXLW-156-23720 |
| 123RLXLW-160 |
| 123RLXLW-160-23720 |
| 123RLXLW-162 |
| 123RLXLW-162-23720 |
| 123RLXLW-702 |
| 123RLXLW-702-23720 |
| 123RLXLW-705 |
| 123RLXLW-705-23720 |
| 123RLXLW-729 |
| 123RLXLW-729-23720 |
| 123RLXLW-804 |
| 123RLXLW-804-23720 |
| 123RLXLW-7000-153 |
| 123RLXLW-7000-153-23720 |
| 123XLS-2 |
| 123XLS-2-23720 |
| 123XLS-3 |
| 123XLS-3-23720 |
| 123XLS-103 |
| 123XLS-103-23720 |
| 123XLS-127 |
| 123XLS-127-23720 |
| 123XLS-151V |
