Restmo O-HT-1B-RF

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RESTMO RF Remote Controlled Sprinkler Timer

Model: O-HT-1B-RF

Brand: Restmo

Product Overview

The RESTMO RF Remote Controlled Sprinkler Timer is designed to simplify your garden watering tasks. Featuring two independent zones and a convenient RF remote control, this timer allows for flexible and efficient irrigation management. Its durable construction with brass inlet and outlet ensures long-lasting performance in various outdoor conditions.

RESTMO RF Remote Controlled Sprinkler Timer with remote

Image: RESTMO Sprinkler Timer with its remote control, showcasing the main unit and the compact remote.

RESTMO Sprinkler Timer features icons

Image: Visual representation of key features including remote control, timed watering, manual watering, rain delay, IP55 waterproof rating, filter washer, LCD display, durable material, and compact design.

Setup Guide

1. Battery Installation

The timer requires 2 AA alkaline batteries (not included) for operation. Ensure your hands are dry before handling batteries and the battery compartment.

  1. Locate the battery compartment on the back of the timer.
  2. Open the battery compartment cover.
  3. Insert two new AA alkaline batteries, ensuring correct polarity (+/-).
  4. Securely close the battery compartment cover.

Video: Step-by-step guide on installing batteries and connecting the timer to a faucet. This video also demonstrates the large LCD screen, oversized dial, and 360-degree swivel brass inlet.

RESTMO Sprinkler Timer with brass inlet and outlet

Image: Close-up view highlighting the pure brass inlet and outlet, emphasizing the upgraded waterproof screen for enhanced durability and leak-proof confidence.

2. Connecting to Faucet and Hose

The timer features a 360-degree swivel pure brass inlet for easy attachment to your outdoor faucet and two brass outlets for connecting hoses.

  1. Screw the timer's brass inlet onto your standard 3/4" outdoor faucet. Ensure it is hand-tightened securely to prevent leaks.
  2. Connect your garden hoses to the two 3/4" brass outlets at the bottom of the timer.

3. Setting the Clock

Before programming, set the current time on the timer.

  1. Turn the main dial to SET CLOCK.
  2. Use the +/- buttons to adjust the hour and minute. Press the OK button to switch between hour and minute settings.
  3. Once the current time is set, turn the dial to any other position to save changes.

Operating Instructions

1. Setting Start Time

Define when you want your watering program to begin.

  1. Turn the main dial to START TIME.
  2. Press the L or R button to select the zone (Zone L or Zone R) you wish to program. You can program each zone independently.
  3. Use the +/- buttons to set the desired start time. Press the OK button to switch between hour and minute settings.
  4. Turn the dial to any other position to save changes.

2. Setting Watering Duration (How Long)

Specify how long each watering cycle should last (1 minute to 299 minutes).

  1. Turn the main dial to HOW LONG.
  2. Press the L or R button to select the zone.
  3. Use the +/- buttons to set the watering duration. Press the OK button to switch between hours and minutes.
  4. Turn the dial to any other position to save changes.

3. Setting Watering Frequency (How Often)

Determine how often the watering cycle repeats (every 1-12 hours or every 1-7 days).

  1. Turn the main dial to HOW OFTEN.
  2. Press the L or R button to select the zone.
  3. Use the +/- buttons to set the watering frequency. You can choose between hours (1-12) or days (1-7).
  4. Turn the dial to any other position to save changes.

NOTE: If "HOW LONG" is set to be greater than "HOW OFTEN", the watering cycle will be automatically skipped. To keep a zone always off, set the "HOW OFTEN" value to OFF using the +/- buttons.

4. Automatic Watering

Once programmed, activate the automatic watering schedule.

  1. Turn the main dial to ON.
  2. The LCD screen will display the next watering start time and the current time alternately when watering is OFF.
  3. When watering is ON, the LCD screen will display the remaining time of the current watering program.

5. Manual Watering

Initiate immediate watering without affecting your programmed schedule.

  1. Ensure the main dial is set to ON and the timer is not in Rain Delay mode.
  2. Long press the OK/MANUAL button for 3 seconds.
  3. Press the L or R button to select the desired zone(s) for manual watering. You can select both zones simultaneously.
  4. Use the +/- buttons to set the manual watering duration (1 to 299 minutes).
  5. Press the OK button or wait for 3 seconds to start manual watering. The LCD screen will display the remaining time.
  6. To cancel manual watering, turn the dial to OFF and then back to ON.
RESTMO Sprinkler Timer manual watering options

Image: Demonstrates two options for manual watering: directly pressing buttons on the timer or using the remote control.

6. Rain Delay Function

Pause your watering schedule for a set period to conserve water during rainy weather.

  1. Ensure the main dial is set to ON.
  2. Long press the DELAY button for 3 seconds.
  3. Use the +/- buttons to select a delay period of 24, 48, or 72 hours.
  4. Press the OK button or wait for 3 seconds to activate the rain delay. The timer will resume its schedule after the selected delay.
  5. To cancel rain delay, turn the dial to OFF and then back to ON.
RESTMO Sprinkler Timer rain delay options

Image: Illustrates the rain delay feature with options for 24, 48, and 72-hour delays, activated by long-pressing the delay button.

7. Remote Control Usage

The included RF remote control allows you to manage your timer from up to 100ft (30m) away.

Pairing the Remote Control:

  1. With the timer dial set to OFF, long press the + button for 3 seconds until the LCD displays "PAIR".
  2. On the remote, press the ZONE button to select the desired zone number (1 or 2).
  3. Press the ON button on the remote to pair. The timer's LCD will turn from "PAIR" to "OFF" upon successful pairing.

Using the Remote Control:

  1. Ensure the timer dial is set to ON.
  2. Press the ZONE button on the remote to select the desired zone (1 or 2).
  3. Use the MIN+ / MIN- buttons to increase/decrease the manual watering duration.
  4. Press the ON button to start watering for the preset duration.
  5. Press the OFF button to stop watering.
RESTMO Sprinkler Timer with long range remote control

Image: A person using the remote control from a distance to manage the sprinkler timer, illustrating the 100ft (30m) long-range capability.

RESTMO Sprinkler Timer remote control for various users

Image: Collage showing the remote control being useful for different individuals, including a mother with children, an elderly person with a walker, and a person in a wheelchair, highlighting its accessibility and convenience.

8. Stopping Watering

To stop all watering and turn off the timer:

  1. Turn the main dial to OFF. The timer will cease all watering operations and remain off.

Maintenance

Cleaning the Filter Washer

The timer includes a filter washer at the inlet to prevent debris from entering the unit. Periodically check and clean this filter to ensure optimal water flow and prevent blockages.

  1. Disconnect the timer from the faucet.
  2. Remove the filter washer from the inlet.
  3. Rinse the filter under running water to remove any accumulated debris.
  4. Reinsert the clean filter washer into the inlet before reattaching the timer to the faucet.

Winter Storage

To prevent damage from freezing temperatures, it is crucial to properly store your sprinkler timer during winter months.

  • Disconnect the timer from the faucet and hoses.
  • Remove the batteries from the timer.
  • Store the timer in a dry, frost-free location indoors.

Troubleshooting

ProblemPossible CauseSolution
No water flow / Timer not turning on.Low or dead batteries; Incorrect dial setting; Low water pressure; Clogged filter.Replace batteries; Ensure dial is on "ON"; Check water pressure (8-120 psi required); Clean filter washer.
Water leaks from connections.Loose connections; Missing or damaged washer; Damaged threads.Ensure connections are hand-tightened; Check for and replace missing/damaged washers; Inspect threads for damage.
Remote control not working.Remote not paired; Out of range; Remote batteries low/dead.Re-pair the remote (see "Pairing the Remote Control" section); Ensure you are within 100ft (30m) range; Replace remote batteries.
Display is dim or blank.Low batteries; Extreme temperatures (direct sunlight).Replace batteries; Move timer to a shaded area if exposed to prolonged direct sunlight.
Water hammer noise.Sudden shut-off of water flow.Consider installing a water hammer arrestor on your faucet.

Specifications

  • Model Number: O-HT-1B-RF
  • Material: Brass (Inlet & Outlet)
  • Color: Green
  • Product Dimensions: 5"D x 3"W x 5"H
  • Item Weight: 1.14 pounds
  • Watering Duration: 1 - 299 minutes
  • Watering Frequency: Every 1 - 12 hours or Every 1 - 7 days
  • Working Water Pressure: 8 - 120 psi (0.5 - 8.0 Bar)
  • Max. Flow Rate: 10 GPM (35 L/Min)
  • Operating Temperature: 38 to 120°F (3 to 50°C)
  • Power Source: 2 x AA Alkaline Batteries (not included)
  • Waterproof Rating: IP55
  • Remote Control Range: Up to 100ft (30m)
RESTMO Sprinkler Timer dimensions and specifications

Image: Detailed diagram showing the dimensions of the timer and a summary of its key specifications.

Warranty and Support

Restmo products are designed for durability and performance. This product typically comes with a standard warranty, and some users have reported the ability to extend it up to five years by registering the device online. Please refer to the product packaging or the manufacturer's website for the most current warranty information and registration details.

For any questions, technical assistance, or support, please contact Restmo customer service. Contact information is often provided directly on the device or within the product packaging.

Visit the official Restmo Store for more information: Restmo Store on Amazon

© 2025 Restmo. All rights reserved.

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