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Isolator Uni-Flange Ball Valve

The Isolator Uni-Flange Ball Valve. The only way to isolate circulator pumps. These valves have revolutionized the installation of circulator pumps. The original Isolator Uni-Flange Ball Valve design has evolved into the largest flanged ball valve program in the industry today. No matter what your installation requires, there is an Isolator to meet your needs.
* Reduces Leak Paths
* Saves Labor & Space
* Prevents Electrolysis
* Eliminates Galvanic Corrosion
* Allows Virtually No Air Into System Upon
* Pump Replacement
* Fits Virtually Any Circulator Pump
* Slotted Holes for High Velocity Pumps
* Guaranteed for Life

Webstone Valve 40402 1/2 IPS ISOLATOR MSRP: $24.44 PTS Price: $14.82	Webstone Valve 40403 3/4 IPS ISOLATOR MSRP: $25.66 PTS Price: $15.76	Webstone Valve 40404 1 IPS ISOLATOR MSRP: $31.13 PTS Price: $19.97
Webstone Valve 40405 1-1/4 IPS ISOLATOR MSRP: $37.29 PTS Price: $24.71	Webstone Valve 40406 1-1/2 IPS ISOLATOR MSRP: $53.78 PTS Price: $37.41	Webstone Valve 40413 3/4 IPS ISOLATOR W/DRAIN MSRP: $38.85 PTS Price: $25.92
Webstone Valve 40414 1 IPS ISOLATOR W/DRAIN MSRP: $47.27 PTS Price: $32.40	Webstone Valve 40415 1 1/4 IPS ISOLATOR W/DRAIN MSRP: $59.70 PTS Price: $41.97	Webstone Valve 40416 1 1/2 IPS ISOLATOR W/DRAIN MSRP: $82.83 PTS Price: $59.78
Webstone Valve 40509 3 IPS FP B62 BRZ BALL VLV MSRP: $555.49 PTS Price: $423.72	Webstone Valve 41403 3/4 IPS ISOLATOR W/ROT. FLG MSRP: $26.95 PTS Price: $16.75	Webstone Valve 41404 1 IPS ISOLATOR W/ROT. FLG MSRP: $32.68 PTS Price: $21.16
Webstone Valve 41405 1 1/4 IPS ISOLATOR W/ROT. FLG MSRP: $39.16 PTS Price: $26.15	Webstone Valve 41406 1 1/2 IPS ISOLATOR W/ROT. FLG MSRP: $56.47 PTS Price: $39.48	Webstone Valve 41413 3/4 IPS ISOLATOR W/DRAIN & ROT. FLG MSRP: $40.80 PTS Price: $27.41
Webstone Valve 41414 1 IPS ISOLATOR W/DRAIN & ROT. FLG MSRP: $49.64 PTS Price: $34.22	Webstone Valve 41415 1 1/4 ISOLATOR W/DRAIN & ROT. FLG MSRP: $62.69 PTS Price: $44.27	Webstone Valve 41416 1 1/2 IPS ISOLATOR W/DRAIN & ROT. FLG MSRP: $86.95 PTS Price: $62.95
Webstone Valve 42403 3/4 IPS ISOLATOR W/CHECK MSRP: $25.38 PTS Price: $15.54	Webstone Valve 42404 1 IPS ISOLATOR W/CHECK MSRP: $34.69 PTS Price: $22.71	Webstone Valve 42405 1 1/4 IPS ISOLATOR W/CHECK MSRP: $43.53 PTS Price: $29.52
Webstone Valve 42406 1 1/2 IPS ISOLATOR W/CHECK MSRP: $60.65 PTS Price: $42.70	Webstone Valve 43403 3/4 IPS ISOLATOR W/CHECK & ROT. FLG MSRP: $26.15 PTS Price: $16.14	Webstone Valve 43404 1 IPS ISOLATOR W/CHECK & ROT. FLG MSRP: $35.77 PTS Price: $23.54
Webstone Valve 43405 1 1/4 IPS ISOLATOR W/CHECK & ROT. FLG MSRP: $44.89 PTS Price: $30.56	Webstone Valve 43406 1 1/2 IPS ISOLATOR W/CHECK & ROT. FLG MSRP: $62.53 PTS Price: $44.15	Webstone Valve 50402 1/2 SWT ISOLATOR MSRP: $24.44 PTS Price: $14.82
Webstone Valve 50403 3/4 SWT ISOLATOR MSRP: $25.66 PTS Price: $15.76	Webstone Valve 50404 1 SWT ISOLATOR MSRP: $31.13 PTS Price: $19.97	Webstone Valve 50405 1 1/4 SWT ISOLATOR MSRP: $37.29 PTS Price: $24.71
Webstone Valve 50406 1 1/2 SWT ISOLATOR MSRP: $53.78 PTS Price: $37.41	Webstone Valve 50413 3/4 SWT ISOLATOR W/DRAIN MSRP: $38.85 PTS Price: $25.92	Webstone Valve 50414 1 SWT ISOLATOR W/DRAIN MSRP: $47.27 PTS Price: $32.40
Webstone Valve 50415 1 1/4 SWT ISOLATOR W/DRAIN MSRP: $59.70 PTS Price: $41.97	Webstone Valve 50416 1 1/2 SWT ISOLATOR W/DRAIN MSRP: $82.83 PTS Price: $59.78	Webstone Valve 51404 1 SWT ISOLATOR W/ROT. FLG MSRP: $32.68 PTS Price: $21.16
Webstone Valve 51405 1 1/4 SWT ISOLATOR W/ROT. FLG MSRP: $39.16 PTS Price: $26.15	Webstone Valve 51406 1 1/2 SWT ISOLATOR W/ROT. FLG MSRP: $56.47 PTS Price: $39.48	Webstone Valve 51413 3/4 SWT ISOLATOR W/DRAIN & ROT. FLG MSRP: $40.80 PTS Price: $27.41
Webstone Valve 51414 1 SWT ISOLATOR W/DRAIN & ROT. FLG MSRP: $49.64 PTS Price: $34.22	Webstone Valve 51415 1 1/4 SWT ISOLATOR W/DRAIN & ROT. FLG MSRP: $62.69 PTS Price: $44.27	Webstone Valve 51416 1 1/2 SWT ISOLATOR W/DRAIN & ROT. FLG MSRP: $86.95 PTS Price: $62.95
Webstone Valve 53403 3/4 SWT ISOLATOR W/CHECK & ROT. FLG MSRP: $26.15 PTS Price: $16.14	Webstone Valve 53404 1 SWT ISOLATOR W/CHECK & ROT. FLG MSRP: $35.77 PTS Price: $23.54	Webstone Valve 53405 1 1/4 SWT ISOLATOR W/CHECK & ROT. FLG MSRP: $44.89 PTS Price: $30.56
Webstone Valve 53406 1 1/2 SWT ISOLATOR W/CHECK & ROT. FLG MSRP: $62.53 PTS Price: $44.15	Webstone Valve 13706HV 1 1/2 OR 2 ISOLATOR DOUBLE FLG CK MSRP: $45.03 PTS Price: $30.67	Webstone Valve 40404HV 1 IPS ISOLATOR MSRP: $31.13 PTS Price: $19.97
Webstone Valve 40405HV 1 1/4 IPS ISOLATOR MSRP: $37.29 PTS Price: $24.71	Webstone Valve 40406HV 1 1/2 IPS ISOLATOR MSRP: $53.78 PTS Price: $37.41	Webstone Valve 40407HV 2 IPS ISOLATOR MSRP: $71.37 PTS Price: $50.95
Webstone Valve 40413KIT 3/4 IPS ISOLATOR CIRC PUMP INSTALL KIT MSRP: $69.78 PTS Price: $49.73	Webstone Valve 40414HV 1 IPS ISOLATOR W/DRAIN MSRP: $47.27 PTS Price: $32.40	Webstone Valve 40414KIT 1 IPS ISOLATOR CIRC PUMP INSTALL KIT MSRP: $83.67 PTS Price: $60.43
Webstone Valve 40415HV 1 1/4 IPS ISOLATOR W/DRAIN MSRP: $59.70 PTS Price: $41.97	Webstone Valve 40415KIT 1 1/4 IPS ISOLATOR CIRC PUMP INSTALL KIT MSRP: $102.25 PTS Price: $74.73	Webstone Valve 40416HV 1 1/2 IPS ISOLATOR W/DRAIN MSRP: $82.83 PTS Price: $59.78
Webstone Valve 40417HV 2 IPS ISOLATOR W/DRAIN MSRP: $103.11 PTS Price: $75.40	Webstone Valve 41404HV 1 IPS ISOLATOR W/ROT. FLG MSRP: $32.68 PTS Price: $21.16	Webstone Valve 41405HV 1 1/4 IPS ISOLATOR W/ROT. FLG MSRP: $39.16 PTS Price: $26.15
Webstone Valve 41406HV 1 1/2 IPS ISOLATOR W/ROT. FLG MSRP: $56.47 PTS Price: $39.48	Webstone Valve 41413KIT 3/4 IPS ISOLATOR CIRC PUMP INSTALL KIT MSRP: $73.01 PTS Price: $52.21	Webstone Valve 41414HV 1 IPS ISOLATOR W/DRAIN & ROT. FLG MSRP: $49.64 PTS Price: $34.22
Webstone Valve 41414KIT 1 IPS ISOLATOR CIRC PUMP INSTALL KIT MSRP: $87.58 PTS Price: $63.44	Webstone Valve 41415HV 1 1/4 ISOLATOR W/DRAIN & ROT. FLG MSRP: $62.69 PTS Price: $44.27	Webstone Valve 41415KIT 1 1/4 IPS ISOLATOR CIRC PUMP INSTALL KIT MSRP: $107.09 PTS Price: $78.46
Webstone Valve 41416HV 1 1/2 IPS ISOLATOR W/DRAIN & ROT. FLG MSRP: $86.95 PTS Price: $62.95	Webstone Valve 42404HV 1 IPS ISOLATOR W/CHECK MSRP: $34.69 PTS Price: $22.71	Webstone Valve 42405HV 1 1/4 IPS ISOLATOR W/CHECK MSRP: $43.53 PTS Price: $29.52
Webstone Valve 42406HV 1 1/2 IPS ISOLATOR W/CHECK MSRP: $60.65 PTS Price: $42.70	Webstone Valve 43404HV 1 IPS ISOLATOR W/CHECK & ROT. FLG MSRP: $35.77 PTS Price: $23.54	Webstone Valve 43405HV 1 1/4 IPS ISOLATOR W/CHECK & ROT. FLG MSRP: $44.89 PTS Price: $30.56
Webstone Valve 43406HV 1 1/2 IPS ISOLATOR W/CHECK & ROT. FLG MSRP: $62.53 PTS Price: $44.15	Webstone Valve 50404HV 1 SWT ISOLATOR MSRP: $31.13 PTS Price: $19.97	Webstone Valve 50405HV 1 1/4 SWT ISOLATOR MSRP: $37.29 PTS Price: $24.71
Webstone Valve 50406HV 1 1/2 SWT ISOLATOR MSRP: $53.78 PTS Price: $37.41	Webstone Valve 50407HV 2 SWT ISOLATOR MSRP: $71.37 PTS Price: $50.95	Webstone Valve 50413KIT 3/4 SWT ISOLATOR CIRC PUMP INSTALL KIT MSRP: $69.78 PTS Price: $49.73
Webstone Valve 50414HV 1 SWT ISOLATOR W/DRAIN MSRP: $47.27 PTS Price: $32.40	Webstone Valve 50414KIT 1 SWT ISOLATOR CIRC PUMP INSTALL KIT MSRP: $83.67 PTS Price: $60.43	Webstone Valve 50415HV 1 1/4 SWT ISOLATOR W/DRAIN MSRP: $59.70 PTS Price: $41.97
Webstone Valve 50415KIT 1 1/4 SWT ISOLATOR CIRC PUMP INSTALL KIT MSRP: $102.25 PTS Price: $74.73	Webstone Valve 50416HV 1 1/2 SWT ISOLATOR W/DRAIN MSRP: $82.83 PTS Price: $59.78	Webstone Valve 50417HV 2 SWT ISOLATOR W/DRAIN MSRP: $103.11 PTS Price: $75.40
Webstone Valve 51404HV 1 SWT ISOLATOR W/ROT. FLG MSRP: $32.68 PTS Price: $21.16	Webstone Valve 51405HV 1 1/4 SWT ISOLATOR W/ROT. FLG MSRP: $39.16 PTS Price: $26.15	Webstone Valve 51406HV 1 1/2 SWT ISOLATOR W/ROT. FLG MSRP: $56.47 PTS Price: $39.48
Webstone Valve 51413KIT 3/4 SWT ISOLATOR CIRC PUMP INSTALL KIT MSRP: $73.01 PTS Price: $52.21	Webstone Valve 51414HV 1 SWT ISOLATOR W/DRAIN & ROT. FLG MSRP: $49.64 PTS Price: $34.22	Webstone Valve 51414KIT 1 SWT ISOLATOR CIRC PUMP INSTALL KIT MSRP: $87.58 PTS Price: $63.44
Webstone Valve 51415HV 1 1/4 SWT ISOLATOR W/DRAIN & ROT. FLG MSRP: $62.69 PTS Price: $44.27	Webstone Valve 51415KIT 1 1/4 SWT ISOLATOR CIRC PUMP INSTALL KIT MSRP: $107.09 PTS Price: $78.46	Webstone Valve 51416HV 1 1/2 SWT ISOLATOR W/DRAIN & ROT. FLG MSRP: $86.95 PTS Price: $62.95
Webstone Valve 53404HV 1 SWT ISOLATOR W/CHECK & ROT. FLG MSRP: $35.77 PTS Price: $23.54	Webstone Valve 53405HV 1 1/4 SWT ISOLATOR W/CHECK & ROT. FLG MSRP: $44.89 PTS Price: $30.56	Webstone Valve 53406HV 1 1/2 SWT ISOLATOR W/CHECK & ROT. FLG MSRP: $62.53 PTS Price: $44.15
Webstone Valve C42403 3/4 REPLACMENT CHECK VALVE MSRP: $6.76 PTS Price: $1.21	Webstone Valve C42404 1 REPLACEMENT CHECK VALVE MSRP: $11.74 PTS Price: $5.04	Webstone Valve C42405 1 1/4 REPLACEMENT CHECK VALVE MSRP: $18.50 PTS Price: $10.25
Webstone Valve C42406 1 1/2 REPLACEMENT CHECK VALVE MSRP: $26.64 PTS Price: $16.52	Webstone Valve RR42403 3/4 REPLACEMENT RETAINING RING MSRP: $1.03 PTS Price: $0.79	Webstone Valve RR42404 1 REPLACEMENT RETAINING RING MSRP: $1.45 PTS Price: $1.12
Webstone Valve RR42405 1 1/4 REPLACEMENT RETAINING RING MSRP: $2.34 PTS Price: $1.80	Webstone Valve RR42406 1 1/2 REPLACEMENT RETAINING RING MSRP: $2.92 PTS Price: $2.25