Bosch 8-733-802-652 High Pressure Switch Kit

Product Description

The BOSCH 8-733-802-652 is a high pressure switch kit designed for use in hydronic heating and hot water boiler systems. The high pressure switch monitors system pressure and interrupts operation when pressure exceeds the safe operating threshold, protecting the heat exchanger and associated components from damage. This kit includes the switch assembly and supporting hardware needed for a complete field replacement. Licensed plumbers and HVAC technicians performing boiler service and maintenance are the primary installers of this component.

This high pressure switch kit is suited for residential and light commercial boiler applications where pressure control and system protection are required. It is intended as an OEM-style service replacement to restore proper pressure safety function during scheduled maintenance or after a pressure-related fault event. Installers should confirm compatibility with the specific Bosch boiler unit being serviced prior to installation.

Key Features

• Monitors system pressure and cuts power when pressure exceeds safe limits
• Kit format includes switch and supporting hardware for a complete replacement
• OEM part number 8-733-802-652 ensures direct fitment in supported Bosch boiler units
• Protects heat exchanger and system components from overpressure damage

Compatibility

Designed as an OEM-style replacement high pressure switch kit for Bosch boiler systems. Confirm the specific boiler model number against the Bosch parts documentation before ordering.

Installation Notes

Installation should be performed by a licensed HVAC technician or plumber familiar with hydronic heating systems. Before beginning work, shut off gas supply and electrical power to the boiler and relieve system pressure fully. Follow all applicable local codes and manufacturer service procedures when disconnecting and reconnecting pressure switch wiring and fittings. Do not restore system operation until all connections have been verified and the system has been pressure-tested.

Technical Specifications

• Component Type: High Pressure Switch Kit
• Unit of Measure: Each

Standard Information

• Brand: BOSCH
• Manufacturer Part Number: 8-733-802-652