Section Code 2390 : Dish. Washing machines in this section will indicate the category of backflow prevention built into each appliance. The location and the use of the washing machine will determine any additional backflow protection that may be required.
Back To Directory SectionsRange of hood type and undercounter commercial dishwashing machines, flow is controlled by a solenoid valve which incorporates plastic flow regulator and discharges via a Type ‘AB’ air gap (suitable for backflow protection against fluid category 5). The products are supplied with a dual layer PVC supply hose (grey outer/black inner). Maximum working pressure 3.0 Bar. Cold supply only.
Range of front loading dishwashing machines (with a water softener - RA models, or without - R models). Flow is controlled by a solenoid valve, which incorporates a flow restrictor (5.5 lpm) and a strainer, and discharges via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). The water softener (where supplied) is located after the ‘AB’ air gap. The product is supplied with a grey nylon braided EPDM lined flexible hose assembly with ¾” captive nut end connections incorporating EPDM washers. Maximum working pressure 4.0 bar. Maximum operating temperature 60°C.
Range of hood type or undercounter commercial dishwashers. Flow is controlled by a solenoid valve which discharges via a type ‘AA’ air gap. Maximum working pressure 10.0 Bar. Cold water supply only.
Range of commercial dish washing machines. Flow is controlled by a solenoid valve and discharged via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). The product is supplied with stainless steel or nylon braided EPDM inlet hose. Maximum working pressure 4.0 bar. Cold water use only.
Frront loading dishwashing machines without water softener. Flow is controlled by a solenoid valve, which incorporates a flow restrictor (5.5 lpm) and a strainer, and discharges via a type `AB` airgap (verified by test - suitable for backflow protection against fluid category 5). The product is supplied with a grey nylon braided EPDM lined flexible hose assembly with ¾” captive nut end connections incorporating EPDM washers. Maximum working pressure 4.0 bar. Maximum operating temperature 60°C.
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