H4223A This product has been replaced by a new innovation. Click here to navigate to our recommended replacement OBSOLETE Section Viking Pump H4223A Model Downloads TSM / Catalog / Flyers / Brochures Service Manual | 1300 Download Technical Service Manuals Catalog Section | 1302 | Jacketed Download Catalog Sections Brochure | Form 1306 | API Compliant Internal Gear Pumps Download Product Flyers Flyer | Form 1302 | 223A / 4223A / 323A / 4323A Series Download Product Flyers DRAWINGS H-HL with Jacketed Head - 1.5" Class 150 ANSI RH/LH PDF STEP H-HL with Relief Valve - 1.5" Class 125 ANSI RH/LH PDF