Insulated boiler safety group – up to 50 kW, 3 bar, 1″
Insulated boiler safety group – up to 50 kW, 3 bar, 1″ – collection in Hagen
Art.-Nr. HT-122425
Collection from our Hagen warehouse · Im Mühlenwert 22 · Mon–Fri 8:30–17:30, Sat 10–14 · Availability and collection date come with our reply · Shipping by arrangement · Locations
Description
Insulated boiler safety group – The boiler safety group combines a safety valve, pressure gauge and automatic air vent at the heat source, protecting closed heating systems against excess pressure. According to the manufacturer, it is intended for boilers up to 50 kW and made to DIN EN 12828. The DN 15 (1/2″) safety valve opens at 3 bar, the gauge reads 0 to 4 bar, and the DN 10 (3/8″) automatic air vent is mounted radially. The boiler connection is DN 25 (1″) female thread; insulation half-shells are included. Expansion vessels and other fittings can be found under Heating valves.
Technical specifications
| Application | Closed heating systems, boilers up to 50 kW |
|---|---|
| Connection | DN 25 (1″) female thread, boiler side |
| Safety valve | DN 15 (1/2″), opening pressure 3 bar, PTFE seal |
| Pressure gauge | 0 to 4 bar, Ø 63 mm |
| Air venting | DN 10 (3/8″) automatic air vent, radial |
| Operating limits | Max. +120 °C, pressure resistance up to 12 bar |
| Material | Cast brass |
| Features | Self-sealing installation valves, interlocking insulation half-shells |
| Standard | To DIN EN 12828 according to the manufacturer |
| Item no. | HT-122425 |
Manufacturer and safety (GPSR)
| Manufacturer | GPSR manufacturer information: the manufacturer's name and address are available on request before collection. |
|---|---|
| EU responsible person | Available on request, together with the manufacturer details, before collection. |
| Safety instructions | Install in accordance with the manufacturer's instructions; work on drinking water and heating systems must be carried out by a qualified installer. |
Price per piece incl. VAT. Order item: collect from our Hagen warehouse once the goods have arrived; we will confirm the date in our reply to your enquiry. Delivery on request.
Collection, availability and delivery time
The basket is your enquiry list – no checkout, no advance payment. We reply with price, availability and a collection date. Collection from our warehouse at Im Mühlenwert 22, 58135 Hagen, Mon–Fri 8:30–17:30 and Sat 10–14 by appointment. Shipping by arrangement: we state shipping costs and delivery time in our quotation before you decide. We also deliver to installers with our own driver up to 150 km around Hagen. How the enquiry works · Locations · For installers
Insulated boiler safety group – up to 50 kW, 3 bar, 1″
Boiler safety group: Technical data, features and installation
Data, features and use – and which parts go together.
Technical specifications
- Use
- Sealed heating systems, boilers up to 50 kW
- Connection
- DN 25 (1″) female thread, boiler side
- Safety valve
- DN 15 (1/2″), opening pressure 3 bar, PTFE seal
- Pressure gauge
- 0 to 4 bar, Ø 63 mm
- Air venting
- Automatic air vent DN 10 (3/8″), radial
- Limits
- Max. 120 °C, pressure resistance up to 12 bar
- Material
- Cast brass, with insulation half-shells
- Standard
- According to the manufacturer, complies with DIN EN 12828
Compatible products
- Expansion vessel for heating with 35 or 50 Liter
- Overview of heating fittings
Installation
- Install in accordance with the manufacturer’s instructions; work on drinking water and heating systems must be carried out by an installer.
- The mounting valves are self-sealing; the insulation half-shells are included.
- Guide: Heating expansion vessel: purpose, pre-charge pressure and when to replace it
Frequently asked questions about the boiler safety group
Data, accessories and use – brief answers.
What does the boiler safety group do?
It combines a safety valve, pressure gauge and automatic air vent at the heat generator and protects sealed heating systems against excess pressure. Our group is intended for boilers up to 50 kW.
At what pressure does the safety valve open?
At 3 bar. The pressure gauge shows 0 to 4 bar. If the pressure rises close to the opening pressure when heating up, the installer should check the expansion vessel and filling pressure.
What connection does the boiler safety group have?
DN 25 (1″) female thread on the boiler side. The safety valve has DN 15 (1/2″), the automatic air vent DN 10 (3/8″).
What temperature is the group rated for?
Up to an operating temperature of 120 °C, with pressure resistance up to 12 bar. The insulation half-shells are included in the delivery.