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General Pump Unloaders

Flow Control Unloaders

Name	Description	Quantity	Price	Order
General Pump #ZK3 Unloader Valve More Info	Inlet=3/8" FNPT Outlet=3/8" MNPT Bypass=3/4" MNPT Pressure=0-1450 PSI Flow sensitive Flow Rate/Part No.*		$72.95
General Pump #ZK5 Unloader Valve More Info	Inlet=3/8" FNPT Outlet=3/8" MNPT Bypass=3/4" MNPT Pressure=1450-3000 PSI Flow sensitive Flow Rate/Part No.*		$76.95
General Pump #ZK7 Unloader Valve More Info	Inlet=3/8" FNPT Outlet=3/8" MNPT Bypass=3/8" FNPT Pressure=0-3000 PSI Flow sensitive Flow Rate/Part No.*		$91.95
General Pump #ZK9 Unloader Valve More Info	Inlet=1/2" FNPT Outlet=1/2" MNPT Bypass=1/2" FNPT Max Pressure=5800 PSI Flow sensitive Flow Rate/Part No.*		$458.50

Flow Control Unloader Repair Kits

Name	Part No.	Description	Quantity	Price	Order
Repair Kit for Unloader Valves	ADI-346	Maintenance For Generals Interpump #ZK5 Series * ZK50, ZK51, ZK52, ZK53		$48.20
Repair Kit for Unloader Valves	ADI-347	Complete rebuild For Generals Interpump #ZK5 Series * ZK50, ZK51, ZK52, ZK53		$70.10
Repair Kit for Unloader Valve	ADI-349	Maintenance kit For Generals Interpump #ZK9 Series Repair Kit 121		$186.30
Repair Kit for Unloader Valves	ADI-354	Maintenance For Generals Interpump #ZK3 Series * ZK30, ZK31, ZK32, ZK33		$46.00
Repair Kit for Unloader Valves	ADI-355	Complete rebuild For Generals Interpump #ZK3 Series * ZK30, ZK31, ZK32, ZK33		$73.80

Direct Mount Unloaders (eliminates need for bypass fittings & bypass hose).

Name	Part No.	Description	Quantity	Price	Order
General Pump ZKW21L Unloader Valve, Control Set, & Injector More Info	ADI-103	Trapped Pressure Control Set Unloader with Chemical Injector Inlet=1/2 -14 BSPP-F Outlet=3/8-19 BSPP-M Max Pressure=3000 PSI Flow Rate=2.9-4.5 GPM Max Temp=200� F *Direct mount used on General Pump models T811, TS1011, TS1311, TS1331, TS1511, TS1711, TS2011, T9131, T9211		$102.10
General Pump ZOKR1 Unloader Valve, Control Set, Injector, Pressure Gauge, Filter	ADI-107	Trapped Pressure Control Set Unloader with Chemical Injector Inlet=1/2" FNPT Outlet=3/8" Chemical injector, pressure gauge, and filter 3/8" F x M22 1/4" Hose barb 1000 PSI maximum pressure 2.3 GPM flow rate *Control set		$98.25
General Pump ZKW1 Unloader Valve More Info	ADI-108	Trapped Pressure Control Set Unloader with Chemical Injector Inlet=3/8" FNPT Outlet=3/8" MNPT 2.2 mm chemical injector Max Pressure=1600 PSI Flow Rate 2-3 GPM Max Temp=165� F Direct mount used on General Pump TT551, TT561, TT741, TT751, TT901, TT931, T9051, TT9061, TT9071, TS1021		$85.03
General Pump YVB75KDMN Unloader Valve More Info	ADI-1463	Trapped Pressure Unloader Inlet=1/2 FNPT Outlet=3/8" FNPT Rated Pressure=3250 PSI Max Pressure=3650 PSI Max GPM=8 GPM Max Temp=195� F Direct mount used on General Pumps EZ, 47 Series, 63 Series, and 51 pumps.		$59.95
General Pump ZKW21 Unloader Valve, Control Set & Injector More Info	ADI-10005	Trapped Pressure Control Set Unloader with Chemical Injector Inlet=1/2 FNPT Outlet=3/8" MPNT Max Pressure=3000 PSI Flow Rate=2.9-4.5 GPM Max Temp=200� F *Direct mount used on General Pump models TS1371, TT1411, TT1611, TT9351, TT9441, T9971, All EZ Pumps.		$98.95
General Pump Unloader More Info	ADI-10114	YVB135KDM Max PSI=2600 6.5 GPM Built in By Pass Output=1/4" FNPT Inlet=3/8" FNPT Max Temp 195 F Direct mount on for TT/TP Series 51 Pumps.		$55.95

Trapped pressure unloaders.

Name	Part No.	Description	Quantity	Price	Order
General Pump Pulsar3KHP Unloader Valve More Info	ADI-101	Trapped Pressure Unloader Valve Inlet=3/8" FNPT Outlet=3/8" FNPT Bypass=3/8" FNPT Max Pressure=4000 PSI Max GPM=7.8 GPM *Max Temp=194� F		$48.95
General Pump YVB7K Unloader Valve More Info	ADI-104	Trapped Pressure Unloader Inlet=3/8" MNPT Outlet=3/8" FNPT Bypass=3/8" FNPT Max Pressure=3650 PSI Max GPM=8 GPM *Max Temp=195� F		$56.95
General Pump YU3678 Unloader Valve	ADI-105	Modified Pressure Unloader Inlet=3/8" FNPT Outlet=3/8" FNPT Bypass=3/8" FNPT Max Pressure=3650 PSI Max GPM=8 GPM		$84.40
Unloader Valve More Info	ADI-340	Generals Interpump #ZKHM series 10.8 GPM flow rate 3000 PSI maximum pressure 3/8" F x 3/8" M or 1/4" F (2) 3/8" Female bypass *Trapped pressure		$79.40
Unloader Valve More Info	ADI-341	Generals Interpump #ZKHM series without spring and knob 10.8 GPM flow rate 3000 PSI maximum pressure 3/8" F x 3/8" M or 1/4" F (2) 3/8" Female bypass Trapped pressure *w/EZ		$76.95
General Pump YVB9KMS Unloader Valve with Micro Switch More Info	ADI-1439	Trapped Pressure Unloader with Micro Switch Inlet=3/8" FNPT Outlet=3/8" FNPT Bypass=3/8" FNPT Max Pressure=3650 PSI Rated Pressure=3200 PSI Max GPM=8 GPM Max Temp=195� F *Switch is waterproof!		$85.35
Repair Kit	ADI-1440	*For General Unloader #YVB9KMS		$26.80
General Pump YU2140 Unloader Valve More Info	ADI-1454	Trapped Pressure Unloader Green Spring Inlet=(2) 1/2" FNPT Outlet= 1/2" FNPT Bypass=(2) 1/2" FNPT Max Pressure=4350 PSI Max GPM=21 GPM Max Temp=200� F		$101.95
Repair Kit	ADI-1455	*For General Pump Unloader #YU2140 & #YU2121		$18.95
General Pump YU2158 Unloader Valve More Info	ADI-1458	Stainless Steel Trapped Pressure Unloader Inlet=(2) 1/2" FNPT Outlet=1/2" FNPT Bypass=(2) 1/2" FNPT Max Pressure=5800 PSI Max GPM=21 GPM *Max Temp=200� F		$436.40
Repair Kit	ADI-1459	*For General Pump Unloader #YU2158		$14.95
General Pump YU5075KS Unloader Valve More Info	ADI-1460	Trapped Pressure Unloader Inlet=3/8" MNPT Outlet=3/8" FNPT Bypass=1/2" FNPT Max Pressure=5650 PSI Rated Pressure=5100 PSI Max GPM=10.5 GPM Max Temp=195� F *SS internal components		$115.30
General Pump YVB130KTTI21 Unloader Valve w/Knob & Chemical Injector More Info	ADI-1462	Trapped Pressure Unloader with Chemical Injector Inlet=1/4" MNPT Outlet=3/8" MNPT Bypass=3/8" FNPT Max Pressure=2600 PSI Rated Pressure=2300 PSI Max Temp=195� F Unloader for the General Pump TT Series 51		$52.45
Unloader Valve More Info	ADI-1464	Generals PA #YU2121 Yellow spring 21 GPM flow rate 2450 PSI max. pressure (2) 1/2" F x 1/2" F (2) 1/2" Female bypass Trapped pressure		$98.45
Unloader Valve More Info	ADI-1465	Generals PA #YU831D 8 GPM flow rate 3650 PSI max. pressure (2) 3/8" F x 3/8" F (2) 3/8" Female bypass *Trapped pressure		$48.95
Repair Kit	ADI-1466	*For General Pump Unloader #YU831D		$12.37