PERFORMANCE BULLETIN 114 – ASH Paint Color Option Obsolete
AQ Matic will be eliminating the ASH paint color option on metal diaphragm valves due to extremely low usage. We will continue to offer red and blue paint color options. The V42 series master chart has been updated. Thank you for your business.
PERFORMANCE BULLETIN 113 – AQ Matic Warranty Extended to 3 Years
AQ Matic will be extending our warranty period from 1 to 3 years starting December 1, 2018. The full warranty statement can be found at www.AQ-Matic.com. Thank you for your business.
PERFORMANCE BULLETIN 112 – 58 Series Stager Motor Update
The Motor used on 58 Series Stagers will be updated to a new supplier. Motor function and wiring willremain the same. This change will take place once inventory of the current supplier is exhausted. The old supplier had a combination 115VAC and 230VAC motor PN 1075434. This will be split into two separate PN’s 4510280 […]
PERFORMANCE BULLETIN 111 – Metal Valve Single Piece Shaft Update
The Shaft for ¾”, 1”, 1.5”, and 2” metal valves (V421, VAV1, V424, VAV4, V425, and VAV5) are being updated to a new single piece design. This new design incorporates the shaft and disk holder into a single casting eliminating one potential leak point within the valve. The assembled dimensional characteristics will not be affected. […]
PERFORMANCE BULLETIN 109 – V425 Lower Diaphragm Plate Change for Spring Assist Open Valves
Lower Diaphragm Plate PN 43729 is being obsoleted and replaced with PN 43730. Plate 43729 was used only on Spring Assist Open V425 valves. PN 43730 is the current Diaphragm Plate used on all other configurations. It was determined the special plate 43729 which had a centering ring is not required because the spring is […]
PERFORMANCE BULLETIN 108 – K550 Spring Retainer Material Change to Stainless Steel
Spring Retainer PN 1075344 (item #28 in drawing below) used in the 1/2” AquaMatic Isolated Bonnet valves series K550 will be changing material from Noryl to 303 Stainless Steel. The dimensional characteristics of the part will remain the same and they can be used interchangeably. Note the mating parts like Spring (item #29) and Centering […]
PERFORMANCE BULLETIN 107 – 428 and AV8 Disc Holder Material Change Stainless Steel
Current Disk holder New Disk Holder PN 1074587 Disc Holder, 428, Aluminum BronzeModel 428-N PN 1074590 Disc Holder, 428, StainlessModel 428-NS PN 1074588 Disc Holder, AV8, Aluminum BronzeModel 428-NA PN 1074589 Disc Holder, AV8, StainlessModel 428-NAS
PERFORMANCE BULLETIN 106 – Hycar Disk Replaces Teflon Disk in High Temperature Kits
In 2011, Teflon Disks were replaced with Hycar Disks in all VAV valve assemblies. The Teflon Disks were kept in the High Temperature Repair Kits at that time. A change is underway to fully obsolete the Teflon Disks and replace with Hycar Disks once current inventory is exhausted. This change does not affect the form, […]
PERFORMANCE BULLETIN 103 – V42 & VAV Series Shaft Guide Update
Shaft Guides for 2” and 3” metal valves (V425, VAV5, V426, VAV6, V427, and VAV7) are being updated to use a new investment cast design. The fit, and function of the parts will remain unaffected and the new Shaft Guides will be fully interchangeable with the old.The new style Shaft Guides will feature a 1.25” […]
PERFORMANCE BULLETIN 104 – V421 & VAV1 Single Piece Shaft Update

V421 & VAV1 Single Piece Shaft Update The Shaft for V421 and VAV1 valves are being updated to a new single piece design. This new design incorporates the shaft and disk holder into a single piece eliminating one potential leak point within the valve. The new shafts also feature a flat under the diaphragm allowing a […]