Description
Product Overview
The Merrill MPSHD4060 is a 2HP pressure switch designed for industrial water pump applications. Constructed with robust materials, it features extra‑large silver contacts that resist wear and corrosion, ensuring long‑term reliability. Adjustable cut‑in pressure at 40 psi and cut‑off at 60 psi allow fine‑tuned control of pump cycles, reducing energy waste and extending equipment life. The unit is sized at 3.98 x 3.98 x 2.91 inches and weighs 14.07 ounces, making it easy to install in tight spaces. ![[Product front view showing all components]](https://www.ruralgoods.store/wp-content/uploads/2026/06/29638e10daf14fca86bf4025cfb39575.jpg)
Usage
Ideal for electrically driven water pumps in factories, irrigation systems, and HVAC cooling loops, this switch maintains consistent pressure levels to protect downstream components. It serves maintenance technicians and facility managers who need a dependable, easy‑replace part that integrates with existing 115‑230 V power supplies.
Why Choose Us
Merrill’s reputation for industrial-grade components backs this pressure switch, offering a blend of durability and precision. Each unit is individually boxed, guaranteeing it arrives in pristine condition ready for OEM replacement. Our after‑sales support includes technical assistance and a straightforward return policy, giving you confidence in every purchase.
Key Features
- Adjustable 40‑60 psi range provides precise pump control for energy efficiency
- Extra‑large silver contacts deliver extended service life in harsh environments
- 2HP, 230 V (compatible with 115 V) rating fits a wide range of industrial pumps
- Individually boxed OEM replacement ensures quick, hassle‑free installation
- Responsive customer support and easy return process for peace of mind
FAQ
What voltage does the switch support?
The switch is rated for 230 V single‑phase operation but can also be used on 115 V systems.
Can the pressure settings be adjusted?
Yes, the cut‑in pressure is set at 40 psi and the cut‑off at 60 psi, both adjustable to suit specific applications.
Is this unit a direct OEM replacement?
Yes, it is packaged as an individually boxed OEM part designed to replace the original Merrill model MPSHD4060.
What is the warranty period?
Merrill provides a one‑year limited warranty covering manufacturing defects.
How do I install the switch?
Installation follows standard wiring diagrams for pressure switches; detailed instructions are included in the packaging.




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