AP200 seriesRugged pH/Redox (ORP) sensor systems with rapid temperature response for critical processes 7 Spares18 IM/AP200 Rev. S7.3 Model AP203 Flanged Dip (Immersion) System* Fitted on water wash option onlyFig. 7.3 Model AP203 Flanged Immersion (Dip) System Spares12 31112141345678910* **Item Part No. Description Qty1 7690210 Protective Skirt 14 7690042 Sensor Holder 19 7690212 Non-Seal Flange 1j 7690044 Scalloped Knob spare M5 x 15 mm (pack of 2) 1k 7690213 Ind Dip Flange Insert 1l 7690218 Protective Cover Adaptor Sleeve 1m 7690140 Protective Cover 1n 7690145 Protective Lid 1—2*3*56787690040 Service Pack Comprising:Cleaning Screw (water wash only)O-Ring 3 mm ID x 1.5 mm CH Viton(water wash only)O-Ring 37.77 mm ID x 2.62 mm CH VitonO-Ring 46 mm ID x 2 mm CH VitonO-Ring 11.6 mm ID x 2.4 mm CH VitonO-Ring Support Washer122222The following is also supplied in the Service Pack but not used on the AP203Flanged Immersion (Dip) System:O-Ring 11 / 16 in. ID x 0.103 in. CH Viton 2* Fitted on water wash option onlyItem Part No. Description Qty