Best Wireless Pump Start Relays for Irrigation Systems and Sprinklers
For outdoor irrigation systems, a reliable wireless pump start relay can synchronize a sprinkler controller with a water pump, ensuring efficient watering without manual intervention. This guide reviews five top options suitable for residential and small to medium installations. Each relay is designed to handle different voltage, horsepower, and weather conditions, so homeowners can choose based on pump size, power source, and exposure. The selections emphasize weatherproof housing, surge protection, and easy wiring for quick installation.
| Product | Brand | Voltage Range | Horsepower Handling | |
|---|---|---|---|---|
| Orbit 57009 2 HP | Orbit | 120V / 230V | Up to 2 HP | Durable ABS enclosure, automatic synchronization |
| PSR110220 Dual Pole | Bzcovac | 110V / 220V | 3/4 HP to 5 HP | 40A relay, weatherproof enclosure |
| EIIDAR 30A | EIIDAR | 120V / 240V | 1-2.5 HP | Surge protection, IP68 waterproof |
| Hunter PSR22 | Hunter | 120V / 230V | Up to 5 HP | Flying leads, multiple models |
| Universal PSR (Deargooday) | Deargooday | 24V coil; 120V/240V | 3/4 HP to 5 HP | Wide compatibility, 24V control |
Orbit 57009 2 HP Irrigation Pump Start Relay
The Orbit 57009 is designed for automatic synchronization between irrigation pumps and sprinkler controllers. It uses a durable ABS enclosure to withstand outdoor conditions and extend product life. The relay controls 120 VAC pumps up to 1 HP and 230 VAC pumps up to 2 HP, making it suitable for mid-size residential systems with a need for reliable performance and weather resistance. This model emphasizes straightforward wiring and compatibility with common sprinkler timers, reducing setup time for homeowners and installers alike.
PSR110220 Dual Pole Pump Start Relay
The PSR110220 by Bzcovac offers dual voltage compatibility, supporting 110V or 220V single-phase pumps. It handles a wide pump range from 3/4 HP to 5 HP and includes a heavy-duty 40A relay for reliable operation. The weatherproof enclosure makes it a solid choice for outdoor installations where exposure to the elements is a concern, such as garden beds or yard irrigation zones. This relay provides flexibility for different pump sizes and controller configurations while maintaining robust protection against weather-related issues.
EIIDAR 30A Pump Start Relay with Surge Protector
The EIIDAR 30A Pump Start Relay is engineered for 1-2.5 HP pumps at 120V or 240V. It features built-in surge protection to guard against power spikes and an IP68 waterproof rating, ensuring reliability in wet outdoor conditions. The design focuses on longevity with overload protection and a housing built to endure harsh environments, making it suitable for exposed installations where weather resistance is critical.
Hunter PSR22 Pump Start Relay
The Hunter PSR22 is a versatile pump start relay that supports up to 5 HP pumps via 120 VAC or 230 VAC, with flying wire leads for easy 24V connections. This model comes in multiple configurations to accommodate different power sources and landscape needs, simplifying integration with standard irrigation timers and controllers. Its design prioritizes straightforward wiring and robust electrical performance for more demanding residential layouts.
Universal PSR Pump Start Relay (Deargooday)
The Deargooday Universal PSR offers a flexible 24V control option with compatibility for 24 VAC timed lawn controllers and 110/220 VAC single-phase pumps from 3/4 HP to 5 HP. It is designed to be a broad compatibility solution, reducing the need for multiple relays in mixed-pump systems. Electrical ratings include 120V 24 FLA and 240V 28 FLA, with suitable control voltage and inrush considerations for continuous irrigation cycles.
Buying Guide
Key considerations when selecting a wireless pump start relay include system compatibility, voltage and horsepower range, and installation environment. Here are perspectives to help inform a purchase:
- Voltage and HP Compatibility: Choose a relay that matches your pump’s voltage (120V or 240V) and horsepower. If you run larger pumps or future upgrades, consider models that support up to 5 HP.
- Controller Interface: If your sprinkler timer uses 24V control signals, ensure the relay accepts a 24V input. Some relays offer flying leads for straightforward wiring, while others use plug-in connectors.
- Weatherproofing and Enclosures: Outdoor installations demand weatherproof enclosures and IP ratings. A rugged housing reduces corrosion, UV damage, and moisture ingress over time.
- Surge and Overload Protection: Surges can damage pumps. Relays with built-in surge protection and overload safeguards increase system longevity, especially in areas prone to lightning or unstable power.
- Ease of Installation: Look for quick-connect wiring, clearly labeled terminals, and compatible mounting options. Some units offer pre-wired models or simplified knockouts for wall mounting.
- Reliability and Longevity: Durable materials (ABS or tough plastics) and higher current ratings translate to longer life in outdoor environments. Consider models with UL or equivalent certifications for safety and reliability.
- Maintenance and Accessibility: Consider how easy it is to access wiring for maintenance or future upgrades. A compact enclosure with ample knockouts helps simplify field work.
- Compatibility with Controllers: If you have multiple zones or different timer brands, verify that the relay supports the controller’s signal and does not require adapters.
Across these options, the best choice depends on your pump size, voltage availability, and whether you need additional protection against weather or surges. For a mid-range 1-2 HP setup with outdoor exposure, models like Orbit 57009 and EIIDAR offer strong durability and protection. For larger irrigation schemes up to 5 HP, Hunter PSR22 and Deargooday Universal PSR provide broader voltage compatibility and flexible wiring. When prioritizing rugged outdoor reliability, dual voltage capability and surge protection are decisive factors to minimize downtime and maintenance.