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Floating Fountains
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486-Series Level Control Sensor
The HOBBS 486-Series Water Level Control System, used in conjunction with the U.L. recognized HOBBS #487-3 Monitor and an electronic solenoid-type fill valve, provides a safe method of electronically maintaining the fountain water level and providing low-water protection for submersible electrical equipment and/or fountain pumps, as required by the National Electric Code, Article 680. When the water level drops, the Water Level Sensor and Monitor will signal the solenoid valve to open and refill the pool to the required level. If the solenoid valve is not notified and/or the water level continues to drop, the Low-Water Cut Off Sensor and Monitor will shut-off the electrical equipment. Both functions automatically return the controlled items to "normal" operating mode upon restoration of the proper water level. The system utilizes solid state monitors and non-corroding sensors with stainless steel probes, resulting in no moving parts that require adjustment or wear out. Both the level control and cutoff functions are combined into one pool-mounted sensor with two probes. These systems are normally provided as part of a pre-assembled and tested package, with the appropriate monitor(s), relays and breakers built into the HOBBS control panel for the fountain. HOBBS offers two models of 486-Series Water Level Sensors: the 486-111C Water Level Sensor and the 486-F111C which is a combination sensor/overflow unit (for single level pools). Each sensor consists of a stainless steel housing and faceplate, nylon-isolated stainless steel probes, stainless steel fasteners and 50, 100 or 150 feet of cord The #486-F111C is designed to handle the overflow requirements for 350 sq. ft. of surface area. Pools with greater than 350 sq. ft. or if excessive rain, drainage, or runoff from upper levels may be encountered, additional HOBBS #253-Series Overflow Fittings should be included in the overall fountain design. When used indoors, the fountain fill line should be 1-1/2" or smaller so as not to overload the flow capacity of the overflow if the fountain fill is left on. |
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For CAD drawing and specifications:
 Click here to download HOBBS 486 Series Catalog. |
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| #486-111A Water Level Sensor |
$ |
500.00 |
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| 16-gauge stainless steel (SS) in-wall mounted enclosure; 1" F.N.P.T. SS conduit side connection; 1/4"-20 SS bonding stud; 16-gauge SS cover plate includes two SS fasteners; probes assembly consists of 1" M.N.P.T. PVC body, two SS probes; brass namplate / common probe; 50 feet #18/3 Type SJTO PVC-jacketed cord; epoxy sealed into the PVC body. Requires #487-3 monitor. |
| #486-111B Water Level Sensor |
$ |
525.00 |
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| 16-gauge stainless steel (SS) in-wall mounted enclosure; 1" F.N.P.T. SS conduit side connection; 1/4"-20 SS bonding stud; 16-gauge SS cover plate includes two SS fasteners; probes assembly consists of 1" M.N.P.T. PVC body, two SS probes, brass nameplate / common probe; 100 feet #18/3 Type SJTO PVC-jacketed cord; epoxy-sealed into the PVC body. Requires #487-3 monitor. |
| #486-111C Water Level Sensor |
$ |
550.00 |
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| 16-gauge stainless steel (SS) in-wall mounted enclosure; 1" F.N.P.T. SS conduit side connection; 1/4"-20 SS bonding stud; 16-gauge SS cover plate includes two SS fasteners; probes assembly consists of 1" M.N.P.T. PVC body; two SS probes; brass nameplate / common probe; 150 feet #18/3 Type SJTO PVC-jacketed cord; epoxy-sealed into the PVC body. Requires #487-3 monitor. |
| #486-F111A Combination Water Level Sensor / Overflow" |
$ |
525.00 |
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| 16-gauge stainless steel (SS) in-wall mounted enclosure; 1" F.N.P.T. SS conduit side connection; 1/4"-20 SS bonding stud; 16-gauge SS cover plate includes two SS fasteners; 2" F.N.P.T. overflow drain side connection; probes assembly consists of 1" M.N.P.T. PVC body, two SS probes, brass nameplate / common probe; and 50 feet of #18/3 Type SJTO PVC-jacketed cord; epoxy-sealed into the PVC body. Requires #487-3 monitor. |
| #486-F111B Combination Water Level Sensor / Overflow |
$ |
550.00 |
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| 16-gauge stainless steel (SS) in-wall mounted enclosure; 1" F.N.P.T. SS conduit side connection; 1/4"-20 SS bonding stud; 16-gauge SS cover plate includes two SS fasteners; 2" F.N.P.T. overflow drain side connection; probes assembly consists of 1" M.N.P.T. PVC body, two SS probes, brass nameplate / common probe, and 100 feet of #18/3 Type SJTO PVC-jacketed cord; epoxy-sealed into the PVC body. Requires #487-3 monitor. |
| #486-F111C Combination Water Level Sensor / Overflow |
$ |
575.00 |
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| 16-gauge stainless steel (SS) in-wall mounted enclosure; 1" F.N.P.T. SS conduit side connection; 1/4"-20 SS bonding stud; 16-gauge SS cover plate includes two SS fasteners; 2" F.N.P.T. overflow drain side connection; probes assembly consists of 1" M.N.P.T. PVC body, two SS probes, brass nameplate / common probe; 150 feet #18/3 Type SJTO PVC-jacketed cord; epoxy-sealed into the PVC body. Requires #487-3 monitor. |
| #487-3 Level Control / Low Water Cut-Off Monitor Assembly |
$ |
450.00 |
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