The PHA7970PS Complete Pump Head (7970) with Pressure Switch is a ready-to-install replacement assembly designed to restore peak performance to 12V diaphragm pump systems. This upgraded pump head includes an integrated pressure switch for automatic pump control, helping protect the pump from over-pressurizing while ensuring consistent on/off cycling during operation. Ideal for softwash systems, chemical sprayers, water transfer units, agricultural sprayers, and fluid-handling equipment using 7970-series pumps.

Key Features & Details

• Complete Replacement Pump Head – Fully assembled 7970 pump head designed for fast, direct installation.

• Integrated Pressure Switch – Maintains optimal operating pressure, protects the pump, and allows automatic cycling.

• Restores Pump Performance – Replaces worn or damaged pump heads to improve pressure, flow, and reliability.

• Chemical-Resistant Construction – Built to handle sodium hypochlorite, detergents, surfactants, fertilizers, and other harsh chemicals commonly used in softwash and agricultural applications.

• OEM-Style Fitment – Designed specifically for 7970-series pump bodies for perfect alignment and sealing.

• Ideal for Contractors – A fast, cost-effective solution for field repairs and improving system uptime.

Specifications

• Product Name: Complete Pump Head with Pressure Switch

• Model: 7970 Series

• Part Number / SKU: PHA7970PS

• Includes: Pump head assembly + pressure switch

• Compatibility: 7970-series 12V diaphragm pumps

• Materials: Chemical-resistant plastics, elastomers, and stainless hardware (varies by manufacturer batch)

• Applications: Softwash systems, agricultural sprayers, chemical pumps, water transfer systems, mobile rigs