Heating System Pressure Switch with Manual Reset
This pressure switch is designed for heating systems with manual reset functionality. It automatically stops the heat generator when a pre-set water pressure limit is reached, and reset is manual after the pressure returns within the shutoff value.




Technical Specifications
Overview
Safety Pressure Control
This manual reset pressure switch is engineered for heating system applications, ensuring safety by automatically stopping the heat generator when pre-set water pressure limits are reached. Designed for reliability, it features a robust EPDM membrane with a nylon insert and tear-resistant cable clamps. The device offers precise control with an external graduated scale and high-quality electrical contacts.
Technical Specifications
Electrical Rating
Protection Rating
Construction Materials
- EPDM black membrane
- PA (nylon) insert
- Maximum Pressure (PS)
- 5 bar
- Fluid Temperature Range
- 20°C to 110°C
- Contact Materials
- Brass AlloyAg-Ni Coating

Operational Details
Certification
Available Contact Types
| Model Type | Contact Configuration | Setting Range |
|---|---|---|
| PMR5 | Normally Closed (Double) | 2 - 4.5 bar |
| LPR5 | Normally Open | 0.5 - 1.7 bar |
- Reset Mechanism
- Manual reset button



