Do you have a question about the MasterCraft 062-3425-4 and is the answer not in the manual?
Key safety warnings covering liquid types, electrical hazards, and handling hot components.
Cautions regarding priming, voltage, pressure switches, thermal protection, and freezing.
Covers applications, power sources, servicing, discharge lines, securing the pump, electrical circuits, and cord handling.
Steps to ensure all parts are present and a list of required tools and accessories for installation.
Procedure to measure well depth and confirm it meets pump's minimum depth requirements.
Guidelines for choosing pump location and setting up pre-charged storage tanks, including air pressure.
Steps for assembling the foot valve, determining pipe length, and securing the pipe into the well.
Instructions for attaching piping, elbows, and adaptors to the pump and discharge tee.
Connecting the pressure tank, gauge, valves, and house water system piping.
Switching pump voltage and performing the critical priming procedure for initial operation.
Connecting power to the pressure switch and verifying/adjusting tank air pressure for proper pump cycling.
Diagnosing and resolving common problems like starting failures, priming issues, low output, and cycling.
Key safety warnings covering liquid types, electrical hazards, and handling hot components.
Cautions regarding priming, voltage, pressure switches, thermal protection, and freezing.
Covers applications, power sources, servicing, discharge lines, securing the pump, electrical circuits, and cord handling.
Steps to ensure all parts are present and a list of required tools and accessories for installation.
Procedure to measure well depth and confirm it meets pump's minimum depth requirements.
Guidelines for choosing pump location and setting up pre-charged storage tanks, including air pressure.
Steps for assembling the foot valve, determining pipe length, and securing the pipe into the well.
Instructions for attaching piping, elbows, and adaptors to the pump and discharge tee.
Connecting the pressure tank, gauge, valves, and house water system piping.
Switching pump voltage and performing the critical priming procedure for initial operation.
Connecting power to the pressure switch and verifying/adjusting tank air pressure for proper pump cycling.
Diagnosing and resolving common problems like starting failures, priming issues, low output, and cycling.
The Mastercraft Shallow Well Jet Pump, model no. 062-3425-4, is a cast iron pump designed for residential water systems, particularly for shallow wells where the vertical lift of water is less than 25 feet (7.6 meters). This instruction manual provides comprehensive guidance for its safe and effective installation, operation, and maintenance.
The primary function of this shallow well jet pump is to draw water from a well and deliver it under pressure to a household or other water system. It operates by creating a vacuum that pulls water up from the well, then pressurizes it for distribution. The pump is equipped with a dual voltage motor, pre-set to 230 V but convertible to 115 V, offering flexibility based on the available power source. A key component of its automatic operation is the integrated 30/50 PSI pressure switch, which ensures the pump starts when system pressure drops to 30 PSI and stops when it reaches 50 PSI, maintaining a consistent water supply. For optimal performance and system longevity, the pump is designed to work in conjunction with a pressure tank, ideally a pre-charged diaphragm type, which stores pressurized water and reduces pump cycling.
The Mastercraft Shallow Well Jet Pump is engineered for straightforward use within its specified parameters. It is crucial to understand that this pump is specifically for shallow wells; attempting to use it for wells deeper than 25 feet (7.6 meters) will require a deep well convertible jet pump. The pump is designed for use with non-flammable and non-explosive liquids, and it is strictly prohibited to pump substances like oil, gasoline, kerosene, or ethanol, or to operate it in environments with flammable or explosive vapors, as this poses a severe risk of explosion or fire.
Before initial startup, the pump requires priming, a critical step to ensure proper operation. This involves filling the discharge tee and the priming plug area with water until it overflows and no air bubbles are present. The manual emphasizes the importance of airtight connections throughout the piping system, as even a small leak can prevent the pump from functioning correctly. Thread tape and PVC purple primer with PVC cement are recommended for all connections to ensure a secure and airtight seal.
The pump's automatic operation is managed by the pressure switch. For the system to work efficiently, the pressure tank must be drained of all water and pre-charged to 28 PSI (2 PSI below the pump's 30 PSI cut-in pressure) before the new pump is installed and started. This ensures the pump and tank operate in harmony, providing a reliable water supply.
While the Mastercraft Shallow Well Jet Pump is designed for durability, proper maintenance and adherence to safety guidelines are essential for its longevity and safe operation. A significant maintenance-related feature is the motor's resetting thermal protector. This safety mechanism automatically shuts off the pump if it overheats, preventing damage. Once the motor cools to a safe temperature, the pump will restart unexpectedly if plugged in. However, frequent activation of this thermal protector indicates an underlying issue, such as overuse or improper installation, and can damage the pump, potentially voiding the warranty. It is important to address the cause of overheating rather than relying on the thermal protector as a regular operational feature.
The manual strongly advises against disassembling the motor housing, as the pump contains no repairable internal parts in this section. Attempting to do so can lead to leaks, dangerous electrical issues, and will void the warranty. For any issues beyond basic troubleshooting, contacting customer service is recommended.
Preventing exposure to freezing temperatures is a critical maintenance consideration. Freezing can cause the cast iron components to crack, leading to irreparable damage and voiding the warranty. If the pump is installed outdoors or in an unheated area, adequate protection, such as a pump house with auxiliary heat, is necessary during cold weather.
Regular checks of pipe connections for tightness are recommended to minimize leaks, which can impair pump performance. In the event of troubleshooting, the manual provides a comprehensive guide to common problems, their possible causes, and corrective actions, such as checking power sources, replacing fuses, cleaning switch contacts, adjusting pump height, lowering suction pipes, repairing leaks, cleaning clogged strainers, or replacing faulty valves. For electrical work, it is explicitly stated that all wiring should be performed by a qualified electrician, and the power source must always be disconnected before any servicing to prevent electric shock. This emphasis on professional electrical installation and careful handling underscores the importance of safety in maintaining the pump.
| Model | 062-3425-4 |
|---|---|
| Category | Water Pump |
| Power Source | Electric |
| Voltage | 120V |
| Max Head | 25 ft |
| Auto Shut-off | No |
| Thermal Protection | Yes |
| Maximum Pumping Height | 25 ft |
| Discharge Size | 1-1/4 inch |
| Discharge Diameter | 1-1/4 inch |
| Type | Submersible |











