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K-Rain K1 4 in. H Adjustable Pop-Up Rotor
K-Rain K-Rain

K-Rain K1 4 in. H Adjustable Pop-Up Rotor

The K-Rain K1 Gear Drive Rotor Sprinkler is designed for efficient watering of small to medium lawns. It features a 4-inch pop-up height and a 1/2-inch inlet, making it a versatile replacement for standard mini rotors and pop-up sprays. This sprinkler offers a maximum spray distance of 30 feet and can cover areas up to 2,827 square feet. Its patented easy arc set allows for quick wet or dry adjustments, providing a full range of motion from 40 to 360 degrees for precise watering control and quiet operation.

$16.11

Track Price
In Stock at K-Rain

Owner Satisfaction

3.9

/ 5

 

Category Rank

487

/ 581

#487 in Sprinklers & Sprinkler Heads

Price vs Category Average

-71%

Below average

Pop-up height

4.

/ in

 

Who it's for

  • High Adjustability
  • Reliable Gear Drive System
  • Standardized Replacement

Who should skip it

  • Pressure Sensitivity
  • Vulnerable to Debris
  • Moderate Throw Radius

Key Specs

Pop-up height

4 in.

Inlet size

1/2 in.

Maximum spray distance

30 ft.

Maximum coverage area

2,827 sq. ft.

Adjustable arc

40-360°

Height

6 in.

Material

Plastic

Length

2.25 in.

Features

  • Quiet and thorough watering performance
  • Easy arc set for wet or dry adjustment
  • Replaces standard mini rotors and pop-up sprays
  • Suitable for small to medium lawns
  • Durable plastic construction
  • 4-inch pop-up design
  • Adjustable spray pattern
  • Gear-driven for reliable operation

What customers say

The K Rain K1 rotor is widely praised as an excellent value for residential irrigation, offering easy installation and precise arc adjustment superior to many entry-level competitors. Users appreciate the consistent spray pattern and broad coverage when operating correctly, making it a cost-effective upgrade. The core positive theme centers on its immediate performance and affordability. However, a significant concern is long-term durability. Many reviews note that the internal gearing and plastic housing seem fragile, especially under harsh conditions. Issues like retraction failure and drifting settings suggest that while initial performance is strong, longevity remains the primary drawback compared to higher-end models.

Hayley

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K-Rain K1 4 in. H Adjustable Pop-Up Rotor

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