HL4227A This product has been replaced by a new innovation. Click here to navigate to our recommended replacement OBSOLETE Section Viking Pump HL4227A Model Downloads TSM / Catalog / Flyers / Brochures Service Manual | 1700 Download Technical Service Manuals Catalog Section | 1000 | General Information Download Catalog Sections Catalog Section | 1702 | Jacketed Download Catalog Sections Flyer | Form 1702 | 227A / 4227A / 327A / 4327A 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