2507DK-LF - Watering Irritrol - Free user manual and instructions

Product Type	Drip Zone Valve Kit
Brand	Irritrol
Model	2507DK-LF
Valve Model	2500 Series (2500TF) 1" In-line Electric Control Valve
Operating Pressure	10–150 psi
Downstream Pressure Regulation	25 psi
Flow Rate at 25 psi	0.1–8 GPM (Low Flow)
Filtration	150 Mesh Stainless Steel Y-filter
Solenoid Voltage	24 VAC, 50/60 Hz
Inrush Current	0.40 amp, 9.6 VA
Holding Current	0.20 amp, 4.8 VA
Manual Override	Internal and External Bleed (Manual On/Off)
Flow Control	Adjustable
Inlet/Outlet Connection	1" Female NPT (valve inlet); 3/4" Female NPT (regulator outlet)
Included Components	Valve, Pressure Regulator, Y-filter, Drip Line Compression Adapter (CA-710), Reducer Bushing, Slip Fitting
Recommended Installation	Below grade in a valve box
Maximum Number of Emitters (0.5 GPH)	30–960
Maximum Number of Emitters (1.0 GPH)	15–480
Maximum Number of Emitters (2.0 GPH)	1–240

Frequently Asked Questions - 2507DK-LF Irritrol

What is the purpose of the pressure regulator in the Irritrol 2507DK-LF kit?

The pressure regulator ensures a consistent downstream pressure of 25 psi, which is optimal for drip irrigation systems. It protects emitters from high pressure and ensures uniform water distribution.

How do I install the Y-filter and pressure regulator correctly?

First, thread the Y-filter inlet into the valve outlet using PTFE tape. Angle the Y-filter slightly downward. Then thread the pressure regulator inlet into the Y-filter outlet. Ensure flow direction arrows are aligned with water flow.

What type of tape should I use on threaded connections?

Use PTFE tape (1.5 to 2 turns) on male threads. Do not use pipe dope. Tighten finger-tight, then add one or two more turns. Over-tightening can crack female threads.

How many drip emitters can I connect to one 2507DK-LF valve?

Refer to Table 1 in the manual. For 0.5 GPH emitters, max 960; for 1.0 GPH, max 480; for 2.0 GPH, max 240. These numbers assume proper filtration and pressure regulation.

Can I use this kit underground?

Yes, it is recommended to install the valve assembly below grade in a valve box for protection and ease of service. Ensure the box is large enough for access.

What is the purpose of the manual bleed on the valve?

The manual bleed allows you to open or close the valve manually without electrical power. It is useful for testing, flushing, or emergency shut-off.

How do I adapt the kit for dripline applications?

Install the provided 3/4" MPT x 1/2" Slip fitting and CA-710 dripline compression adapter onto the pressure regulator outlet. This allows connection to standard dripline.

How should I flush the system after installation?

Open the valve manually and allow water to flow for several minutes to flush out any debris. Use a bucket or hose to direct water away. Ensure the Y-filter is cleaned if necessary.

What should I do if the valve does not close completely?

Check for debris in the valve or Y-filter. Clean the screen and ensure the solenoid is functioning. Verify that the flow control is not set too high. If problem persists, consult the full manual.

What is the maximum operating pressure for the 2507DK-LF kit?

The control valve has an operating pressure range of 10–150 psi. However, the downstream pressure is regulated to 25 psi. Ensure supply pressure does not exceed 150 psi.

USER MANUAL 2507DK-LF Irritrol

Click on the links to view the documents.

Drip Zone Valve Kit

Models 2500DK-1-LF and 2500DK-1-MF

Installation Instructions

373-0512 Revision B

Drip Zone Valve Kit

Models 2711APRDK-LF and 2711APRDK-MF

Installation Instructions

373-0513 Revision B

Drip Zone Valve Kit

Models 2713APRDK-LF and 2713APRDK-MF

Installation Instructions

373-0514 Revision B

Drip Zone Valve Kit

Models 700DK-075-LF

Installation Instructions

373-0515 Revision B

Drip Zone Valve Kit

Models 700DK-1-LF and 700DK-1-MF

Installation Instructions

373-0516 Revision B

Drip Zone Kit - Less Valve

Models DK-LV-LF and DK-LV-MF

Installation Instructions

373-0535 Revision A

Drip Zone Valve Kit Models 2500DK-1-LF and 2500DK-1-MF Installation Instructions

Kit Components

• Irritrol 2500 Series Valve, Model 2500TF
• Pressure Regulator - 25 psi at 0.1–8 GPM, 3/4" Female NPT (Low Flow [LF] model)
• Pressure Regulator - 25 psi at 2–20 GPM, 3/4" Female NPT (Medium Flow [MF] model)
  • 3/4" MPT x MPT F Series Y-filter, 150 Mesh Screen
  • Drip Line Compression Adapter, CA-710
  • 1" x 3/4" Male NPT Reducer Bushing
  • 3/4" MPT x 1/2" Slip Fitting

Specifications

• Downstream Pressure Regulation: 25 psi
• Flow Rate at 25 psi: (LF Model) 0.1–8 GPM (MF Model) 2–20 GPM
  • Filtration: 150 Mesh Stainless Steel Screen
  • 1" In-line Electric Control Valve, Model 2500TF
  ♦ Operating Pressure: 10–150 psi
  ♦ 24 VAC, 50/60 Hz Solenoid
  ♦ Inrush: 0.40 amp, 9.6 VA
  ♦ Holding: 0.20 amp, 4.8 VA
  • Manual On/Off - Internal and External Bleed
• Adjustable Flow Control

Installation Procedure

CAUTION: When assembling the drip zone valve kit components, use just 1 12 to 2 turns of PTFE tape on male threads. Never use pipe dope. To achieve a leak-free thread connection, turn the male fitting until it is finger-tight, and then add one or two more turns. Over-tightening can cause splitting and failure of the female threads.

⚠️ Important: Ensure the Y-filter, control valve and pressure regulator are installed in the correct flow orientation. Flow direction arrows are provided on each component. Refer to Figure 1.

1. Thread the Y-filter inlet into the valve outlet with the provided 1" x 3/4" NPT reducer bushing. Use PTFE tape on all threaded connections. Angle the Y-filter slightly downward as shown in Figure 1.
2. Thread the pressure regulator inlet into the Y-filter outlet.
3. Connect the water source supply line and piping to drip emitters.

NOTE: Installing the valve assembly below grade in a valve box is recommended for protection and ease of service.

NOTE: Refer to the 2500TF Series Valve Instruction Guide provided in the kit for complete valve installation and operation information.

NOTE: To adapt the Drip Zone Valve Kit for dripline applications, install the provided 3/4" MPT x 1/2" Slip fitting and CA-710 dripline compression adapter to the pressure regulator outlet.

1. Flush the system to remove debris.
2. To determine the recommended minimum/maximum number of drip emitters per control valve, refer to the table below.

Table 1

Emitter (GPH)	Low Flow	Medium Flow
0.5	30–960	240–2400
1.0	15–480	120–1200
2.0	1–240	60–600

Drip Zone Valve Kit Models 2711APRDK-LF and 2711APRDK-MF Installation Instructions

Kit Components

• Irritrol 2700 Series Valve, Model 2711APR
• Pressure Regulator - 25 psi at 0.1–8 GPM, 3/4" Female NPT (Low Flow [LF] model)
• Pressure Regulator - 25 psi at 2–20 GPM, 3/4" Female NPT (Medium Flow [MF] model)
• 3/4" MPT x MPT F Series Y-filter, 150 Mesh Screen
  • Drip Line Compression Adapter, CA-710
• 3/4" MPT x 1/2" Slip Fitting

Specifications

• Downstream Pressure Regulation: 25 psi
• Flow Rate at 25 psi: (LF Model) 0.1–8 GPM (MF Model) 2–20 GPM
  • Filtration: 150 Mesh Stainless Steel Screen
• 3/4" Anti-siphon Electric Control Valve, Model 2711APR
  ♦ Operating Pressure: 10–150 psi
  ♦ 24 VAC, 50/60 Hz Solenoid
  ♦ Inrush: 0.40 amp, 9.6 VA
  ♦ Holding: 0.20 amp, 4.8 VA
• Manual On/Off - Internal and External Bleed
• Adjustable Flow Control

Installation Procedure

CAUTION: When assembling the drip zone valve kit components, use just 1½ to 2 turns of PTFE tape on male threads. Never use pipe dope. To achieve a leak-free thread connection, turn the male fitting until it is finger-tight, and then add one or two more turns. Over-tightening can cause splitting and failure of the female threads.
⚠️ Important: Ensure the Y-filter, control valve and pressure regulator are installed in the correct flow orientation. Flow direction arrows are provided on each component. Refer to Figure 1.

1. Thread the Y-filter inlet into the valve outlet. Use PTFE tape on all threaded connections. Angle the Y-filter slightly downward as shown in Figure 1.

2. Thread the pressure regulator inlet into the Y-filter outlet.

3. Connect the water source supply line and piping to drip emitters.

NOTE: Refer to the 2711APR Series Valve Instruction Guide provided in the kit for complete valve installation and operation information.

NOTE: To adapt the Drip Zone Valve Kit for dripline applications, install the provided 3/4" MPT x 1/2" Slip fitting and CA-710 dripline compression adapter to the pressure regulator outlet.

1. Flush the system to remove debris.

2. To determine the recommended minimum/maximum number of drip emitters per control valve, refer to the table below.

Table 1

Emitter (GPH)	Low Flow	Medium Flow
0.5	30–960	240–2400
1.0	15–480	120–1200
2.0	1–240	60–600

Kit Components

• Irritrol 2700 Series Valve, Model 2713APR
• Pressure Regulator - 25 psi at 0.1–8 GPM, 3/4" Female NPT (Low Flow [LF] model)
• Pressure Regulator - 25 psi at 2–20 GPM, 3/4" Female NPT (Medium Flow [MF] model)
• 3/4" MPT x MPT F Series Y-filter, 150 Mesh Screen
  • Drip Line Compression Adapter, CA-710
• 1" x 3/4" Male NPT Reducer Bushing
• 3/4" MPT x 1/2" Slip Fitting

Specifications

• Downstream Pressure Regulation: 25 psi
• Flow Rate at 25 psi: (LF Model) 0.1–8 GPM (MF Model) 2–20 GPM
  • Filtration: 150 Mesh Stainless Steel Screen
  • 1" Anti-siphon Electric Control Valve, Model 2713APR
  ♦ Operating Pressure: 10–150 psi
  ♦ 24 VAC, 50/60 Hz Solenoid
  ♦ Inrush: 0.40 amp, 9.6 VA
  ♦ Holding: 0.20 amp, 4.8 VA
• Manual On/Off - Internal and External Bleed
• Adjustable Flow Control

Installation Procedure

CAUTION: When assembling the drip zone valve kit components, use just 1½ to 2 turns of PTFE tape on male threads. Never use pipe dope. To achieve a leak-free thread connection, turn the male fitting until it is finger-tight, and then add one or two more turns. Over-tightening can cause splitting and failure of the female threads.

⚠️ Important: Ensure the Y-filter, control valve and pressure regulator are installed in the correct flow orientation. Flow direction arrows are provided on each component. Refer to Figure 1.

1. Thread the Y-filter inlet into the valve outlet with the provided 1" x 3/4" NPT reducer bushing. Use PTFE tape on all threaded connections. Angle the Y-filter slightly downward as shown in Figure 1.
2. Thread the pressure regulator inlet into the Y-filter outlet.
3. Connect the water source supply line and piping to drip emitters.

NOTE: Refer to the 2713APR Series Valve Instruction Guide provided in the kit for complete valve installation and operation information.

NOTE: To adapt the Drip Zone Valve Kit for dripline applications, install the provided 3/4" MPT x 1/2" Slip fitting and CA-710 dripline compression adapter to the pressure regulator outlet.

1. Flush the system to remove debris.
2. To determine the recommended minimum/maximum number of drip emitters per control valve, refer to the table below.

Table 1

Emitter (GPH)	Low Flow	Medium Flow
0.5	30–960	240–2400
1.0	15–480	120–1200
2.0	1–240	60–600

Kit Components

• Irritrol 700 Series Valve, Model 700B-.75
• Pressure Regulator - 25 psi at 0.1–8 GPM, 3/4" Female NPT
  • 3/4" MPT x MPT F Series Y-filter, 150 Mesh Screen
  • Drip Line Compression Adapter, CA-710
  • 3/4" MPT x 1/2" Slip Fitting

Specifications

• Downstream Pressure Regulation: 25 psi
  • Flow Rate at 25 psi: 0.1–8 GPM
  • Filtration: 150 Mesh Stainless Steel Screen
  • 1" In-line Electric Control Valve, Model 700B-.75
  ♦ Operating Pressure: 10–150 psi
  ♦ 24 VAC, 50/60 Hz Solenoid
  • Inrush: 0.40 amp, 9.6 VA
  ♦ Holding: 0.20 amp, 4.8 VA
• Manual On/Off - Internal and External Bleed
• Adjustable Flow Control

Installation Procedure

CAUTION: When assembling the drip zone valve kit components, use just 1 ½ to 2 turns of PTFE tape on male threads. Never use pipe dope. To achieve a leak-free thread connection, turn the male fitting until it is finger-tight, and then add one or two more turns. Over-tightening can cause splitting and failure of the female threads.

⚠️ Important: Ensure the Y-filter, control valve and pressure regulator are installed in the correct flow orientation. Flow direction arrows are provided on each component. Refer to Figure 1.

1. Thread the Y-filter inlet into the valve outlet. Use PTFE tape on all threaded connections. Angle the Y-filter slightly downward as shown in Figure 1.
2. Thread the pressure regulator inlet into the Y-filter outlet.
3. Connect the water source supply line and piping to drip emitters.

NOTE: Installing the valve assembly below grade in a valve box is recommended for protection and ease of service.

NOTE: Refer to the 700 Series Valve Instruction Guide provided in the kit for complete valve installation and operation information.

NOTE: To adapt the Drip Zone Valve Kit for dripline applications, install the provided 3/4" MPT x 1/2" Slip fitting and CA-710 dripline compression adapter to the pressure regulator outlet.

1. Flush the system to remove debris.
2. To determine the recommended minimum/maximum number of drip emitters per control valve, refer to the table below.

Table 1

Emitter (GPH)	Low Flow	Medium Flow
0.5	30–960	240–2400
1.0	15–480	120–1200
2.0	1–240	60–600

Irritrol®

Get more done™

Drip Zone Valve Kit Models 700DK-1-LF and 700DK-1-MF Installation Instructions

Kit Components

• Irritrol 700 Series Valve, Model 700-1
• Pressure Regulator - 25 psi at 0.1–8 GPM, 3/4" Female NPT (Low Flow [LF] model)
• Pressure Regulator - 25 psi at 2–20 GPM, 3/4" Female NPT (Medium Flow [MF] model)
  • 3/4" MPT x MPT F Series Y-filter, 150 Mesh Screen
  • Drip Line Compression Adapter, CA-710
  • 1" x 3/4" Male NPT Reducer Bushing
  • 3/4" MPT x 1/2" Slip Fitting

Specifications

• Downstream Pressure Regulation: 25 psi
• Flow Rate at 25 psi: (LF model) 0.1–8 GPM (MF model) 2–20 GPM
  • Filtration: 150 Mesh Stainless Steel Screen
  • 1" In-line Electric Control Valve, Model 700-1
  ♦ Operating Pressure: 10–150 psi
  • 24 VAC, 50/60 Hz Solenoid
  ♦ Inrush: 0.40 amp, 9.6 VA
  ♦ Holding: 0.20 amp, 4.8 VA
• Manual On/Off - Internal and External Bleed
• Adjustable Flow Control

Installation Procedure

CAUTION: When assembling the drip zone valve kit components, use just 1 ½ to 2 turns of PTFE tape on male threads. Never use pipe dope. To achieve a leak-free thread connection, turn the male fitting until it is finger-tight, and then add one or two more turns. Over-tightening can cause splitting and failure of the female threads.

⚠️ Important: Ensure the Y-filter, control valve and pressure regulator are installed in the correct flow orientation. Flow direction arrows are provided on each component. Refer to Figure 1.

1. Thread the Y-filter inlet into the valve outlet with the provided 1" x 3/4" NPT reducer bushing. Use PTFE tape on all threaded connections. Angle the Y-filter slightly downward as shown in Figure 1.
2. Thread the pressure regulator inlet into the Y-filter outlet.
3. Connect the water source supply line and piping to drip emitters.

NOTE: Installing the valve assembly below grade in a valve box is recommended for protection and ease of service.

NOTE: Refer to the 700 Series Valve Instruction Guide provided in the kit for complete valve installation and operation information.

NOTE: To adapt the Drip Zone Valve Kit for dripline applications, install the provided 3/4" MPT x 1/2" Slip fitting and CA-710 dripline compression adapter to the pressure regulator outlet.

1. Flush the system to remove debris.
2. To determine the recommended minimum/maximum number of drip emitters per control valve, refer to the table below.

Table 1

Emitter (GPH)	Low Flow	Medium Flow
0.5	30–960	240–2400
1.0	15–480	120–1200
2.0	1–240	60–600

Irritrol®

Get more done™

Drip Zone Kit - Less Valve Models DK-LV-LF and DK-LV-MF Installation Instructions

Kit Components

• Pressure Regulator - 25 psi at 0.1–8 GPM, 3/4" Female NPT (Low Flow [LF] model)
• Pressure Regulator - 25 psi at 2–20 GPM, 3/4" Female NPT (Medium Flow [MF] model)
  • 3/4" MPT x MPT F Series Y-filter, 150 Mesh Screen
  • Drip Line Compression Adapter, CA-710
• 1" x 3/4" Male NPT Reducer Bushing
• 3/4" MPT x 1/2" Slip Fitting

Specifications

• Maximum Supply Pressure: 150 psi
- Downstream Pressure Regulation: 25 psi
- Flow Rate at 25 psi: (LF model) 0.1–8 GPM (MF model) 2–20 GPM
• Filtration: 150 Mesh Stainless Steel Screen

Installation Procedure

CAUTION: When assembling the drip zone kit components, use just 1 12 to 2 turns of PTFE tape on male threads. Never use pipe dope. To achieve a leak-free thread connection, turn the male fitting until it is finger-tight, and then add one or two more turns. Over-tightening can cause splitting and failure of the female threads.

⚠️ Important: Ensure the Y-filter and pressure regulator are installed in the correct flow orientation. Flow direction arrows are provided on each component. Refer to Figure 1.

1. Thread the pressure regulator inlet into the Y-filter outlet.
2. Connect the water source supply line and piping to drip emitters.

NOTE: Installing the assembly below grade in a valve box is recommended for protection and ease of service.

NOTE: To adapt the Drip Zone Kit for dripline applications, install the provided 3/4" MPT x 1/2" Slip fitting and CA-710 dripline compression adapter to the pressure regulator outlet.

1. Flush the system to remove debris.

2. To determine the recommended minimum/maximum number of drip emitters per control valve, refer to the table below.

Table 1

Emitter (GPH)	Low Flow	Medium Flow
0.5	30–960	240–2400
1.0	15–480	120–1200
2.0	1–240	60–600

© Irritrol • www.irritrol.com • For Technical Assistance, call 1-800-333-3125 Part Number 373-0535 revision A