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The L150 Series Level Swichgage instrument is a combination liquid level gage and low-limit switch.
Each unit includes (1) a chamber with pivotal float, (2) an indicating dial with pointer and (3) a low-level contact. When properly installed and maintained, the float operates the pointer which, in turn, both indicates level during normal operation and closes a switching circuit if the level falls to the low-limit set point. The primary use of the L150/EL150K1 is for engine cooling systems, surge or expansion tanks, condenser radiator or vapor phase systems, pressurized or atmospheric systems. The Level Swichgage instrument can also be used to monitor lube oil, hydraulic fluid or diesel fuel reservoirs and activates alarms and/or shut down at a predetermined minimum level. These instruments are built for low pressure systems with a maximum of 25 psi (172 kPa) [1.72 bar].
L150
EL150K1
EL150EX
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information about California Propsition 65, go to www.P65Warnings.ca.gov or visit our California Proposition 65 page.Additional product documentation can be found on our product support website or by clicking the Help Center button.
| Part Number | Model / Description | Notes |
|---|---|---|
| 15700135 | L150 | Liquid Level Swichgage |
| 15700116 | EL150K1 – IP35 rated enclosure | Liquid Level Swichgage |
| 15700121 | EL150EX – EL150K with CSA-listed explosion-proof IP65 rated enclosure | Liquid Level Swichgage |
Repair Parts and Accessories
| Part Number | Description | Notes |
|---|---|---|
| 15000138 | All parts except case and body | L150 Repair Kits |
| 15000101 | Case/body assembly | L150 Repair Kits |
| 15000139 | All parts except case and body | EL150K1 Repair Kits |
| 15000101 | Case/body assembly | EL150K1 Repair Kits |
| 15000100 | Lens/switch assembly | EL150K1 Repair Kits |
| 15000110 | Cover and float assembly | EL150EX Repair Kits |
| 15000108 | Lid assembly | EL150EX Repair Kits |
| 15000109 | Switch/terminal assembly | EL150EX Repair Kits |
| 15000107 | Radiator fitting (PS), thin wall, 1/4 in. (6 mm) tube fitting | Accessories |
| 15010202 | Radiator fitting (PS-D), for diesel or oil, thick wall (to 1/4 in. [6 mm]), accepts 1/2 in. (13 mm) I.D. hose or 1/4 in. (6 mm) O.D. tubing | Accessories |
| 15010167 | Radiator fitting (PS Barbed), thin wall, 1/4 in. (6 mm) tubing or hose | Accessories |
| 15700854 | Visor Kit, EL150K1 (knob guard) | Accessories |
