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| Application | High Limit Protection, Low Limit and Circulation Control |
|---|---|
| Product Features | Universal control for oil-fired boilers, Mounts either horizontally or vertically, Mounts directly on the boiler, Replaceable fuse to protect transformer, Diagnostic light emitting diodes (LED), Replaceable relays, Separately replaceable sensor, used in conjunction with the L7124U, produces a limit rated system, Low Limit Disable, Communications port for future field added advanced feature modules, Adjustable low limit differential, Mounts on standard 1/2 in (13 mm) or 3/4 in (19 mm) wells, Provides multizone control with separate circulators and R845 Relays or R8888 Zone Relay Panel, UL Limit Controls pending approval for both U.S. and Canada eliminates need for second limit control |
| Approvals and Standards | UL Listed: File No. MP466 |
| Includes | Auxiliary ZC and ZR terminals may be used to provide circulator zone control through an R845A Switching Relay, Horizontal case |
| Mounting Type | Horizontal Mount, Vertical Mount |
| Low Limit Differential Temperature | 10 to 25 °F adjustable |
| Low Limit Set point Temperature (Min) | 110 °F, 43 °C |
| Low Limit Set point Temperature (Max) | 220 °F, 104 °C |
| High Limit Differential Temperature | 15 °F fixed |
| High Limit Set point Temperature (Min) | 130 °F, 54 °C |
| High Limit Set point Temperature (Max) | 240 °F, 116 °C |
| Set point Temperature (Min) | 130 °F, 54 °C |
| Set point Temperature (Max) | 240 °F, 116 °C |
| Electrical Ratings at Full Load | Burner 0.8 A maximum at 24 V AC, Burner and Circulator 7.4 A at 120 V AC, Circulator 3.7 A at 240 V AC |
| Electrical Ratings at Locked Rotor | Burner and Circulator 44.4 A at 120 V AC, Burner 22.7 A at 240 V AC, Circulator 22.2 A at 240 V AC |
| Operating Frequency | 60 Hz |
| Operating Pressure (Max) | 200 psi on immersion well, 100 psi direct immersion, 1378 kPa on immersion well, 90 kPa direct immersion |
| Operating Voltage | 120 V AC |
| Switch Type | Relay |
| Well Spud Size | 1/2 in 14 NPT, 3/4 in 14 NPT, 13 mm 14 NPT, 19 mm 14 |
| Insulation Depth | 1.5 in, 38 mm |
| Capillary Length | 3 to 7 in |
| Product Height | 6.13 in; 156 mm |
| Product Weight | 0.23 lb |
| Product Width | 4.31 in; 110 mm |
| No overview is available for this product. |
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Universal Replacement (1)
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L7224U1002/U | Universal Electronic Oil Aquastat with EnviraCOM communication | Sign In to View Pricing |