Baths – closets – sinks – and spittoons – Tubs – Means for agitating or circulating water in a tub
Patent
1995-05-04
1996-06-18
Recla, Henry J.
Baths, closets, sinks, and spittoons
Tubs
Means for agitating or circulating water in a tub
45413, 4492, 4493, F04H 412
Patent
active
055265383
ABSTRACT:
A water circulation and heating system for spas which exhibits low power consumption for continuous circulation of the spa water while avoiding air entrapment in the water heating unit comprises a low speed water pump, and a heater that is configured so that water flows through it generally vertically. The low speed pump circulates spa water through the heater at a low flow rate that would cause air entrapment in the heater if it were configured so that water flowed through it horizontally. In a preferred embodiment, a high speed water pump is also provided for operating the spa's high speed jets when the spa is in use. The low and high speed pumps preferably form part of an interconnected water circulation system, so that the water flow rate through the heater is increased when the high speed jet pump is activated.
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patent: 5226408 (1993-07-01), Drysdale
patent: 5345996 (1994-09-01), Druien
Eloshway Charles R.
Hurrican Products Incorporated
Recla Henry J.
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