Product Overview
Item
Description
Qty per
valve
1/2 inch 3/4 inch 1 inch
NPT
521400A, AC
521410A, AC
Sweat
521409A, AC
521419A, AC
Press
521406A
521416A
NPT
521500A, AC
521510A, AC
Sweat
521509A, AC
521519A, AC
Press
521506A,AC
521516A,AC
NPT
521600A, AC
521610A, AC
Sweat
521609A, AC
521619A, AC
Press
521606A
521616A
Union washer 3 F50055
Union nut 1" 3 F61008 F61008 F61008
Male tailpieces 3
R31981
(2 only – “410”)
NA10002
(2 only – “419”)
NA16264*
31901A
(2 only – “510”)
NA10003
(2 only – “519”)
NA16265*
(2 only – “516”)
59817A*
(2 only – “610”)
59834A*
(2 only – “619”)
NA16266*
Inlet male
tailpiece with
check valve –
“AC” models
only
2 59893A 59904A 59840A 59905A NA10491C 59894A 59906A
Outlet tailpiece
– “AC” models
only
1 R31981 NA10002 31901A NA10003 NA16265* 59817A* 59834A*
Outlet adapter
with tempera-
ture gauge
1 NA10358** NA10328 NA10358** NA10358** NA10056 NA10358** NA10358** NA10058 NA10358**
Replacement
temperature
gauge
1 688003A
*Tailpiece fitting with integral union nut. 1" NPT and Sweat models require only two separate 1" union nuts (F61008).
**NA10358 requires additional parts. Choose appropriate tailpiece, washers, and union nut to complete the adapter.
Replacement ttings
Replacement parts
Point of distribution mixed temperature
gauge adaptor fits MixCal™ 521 series
mixing valves. Threaded union mounting
replaces existing mixed outlet with ¾" or 1"
sweat pipe connection. Removable gauge
fits into temperature well. Gauge dial is 2"
diameter and scale from 30—210º F.
Low-lead brass body.
Replacement body.
Meets requirements of NSF/ANSI 372-2011.
Certified to: ASSE 1017/CSA B125.3, Low
lead, by ICC-ES file PMG-1360.
ASSE 1017
NA10328.....................................................................½" sweat with gauge
NA10056.....................................................................¾" sweat with gauge
NA10058......................................................................1" sweat with gauge
NA10358 ...........................................................1" union thread with gauge
688003A.......................................................................Replacement gauge
521101A......................................................................
1" male union thread







