The Elster Jeavons J78RS 1/2" Commercial Gas Regulator is a high performance pressure regulator designed for precision, safety and reliability in commercial and industrial gas systems. With an adjustable outlet pressure range of 10–20 mbar this model provides consistent and accurate gas flow control for Natural Gas and LPG installations.
Built to meet the demands of gas distribution and appliance service regulation the J78RS performs dependably under inlet pressures of up to 350 mbar making it suitable for high demand environments such as factories, catering setups and utility services.
A key feature of this model is the ¼" BSP threaded breather port which allows excess gas to vent safely to the atmosphere – compliance with modern gas safety regulations.
Compact, robust and easy to install the J78RS combines the reliability and engineering excellence you expect from Honeywell Elster, a global leader in gas control technology.
The J78RS Gas Regulator offers superior accuracy, reliability, and safety in gas pressure control. Its integrated breather vent and wide pressure tolerance make it the ideal solution for engineers and installers who require dependable, regulation-compliant performance in every setting. Trusted worldwide, Honeywell Elster delivers the precision engineering professionals rely on.
Order your Elster Jeavons J78RS 1/2" Gas Regulator – 10–20 mbar today and experience reliable, precision gas control for commercial and industrial systems. Perfect for Natural Gas & LPG applications — built to meet European safety standards.
| Brand | Honeywell Elster |
|---|---|
| Model | J78RS |
| Approvals | GAD 2009/142/EC – European Gas Directive compliant |
| Connection Size | 1/2" BSP Female |
| Inlet Pressure | Max: 350 mbar |
| Outlet Pressure | 10 – 20 mbar (6 – 42 mbar with optional springs) |
| Pattern | Straight |
| Breather Port | ¼" BSP Threaded Vent Port |
| Operating Temperature | –20 °C to +70 °C |
| Gas Type | Natural Gas & LPG |
| Thread Standard | BSP Taper Female to BS 21 (ISO 7-1) |
| Adjustment Method | Spring-loaded screw under top cap |
| Suitable Applications | Service and appliance regulation for domestic, commercial & industrial systems |
| Product Type | Gas Regulator |
