Elster Jeavons J78R 3/4" Commercial Gas Regulator – 15–23 mbar
The Elster Jeavons J78R 3/4" Commercial Gas Regulator is a high performance service and appliance regulator for domestic, commercial and industrial gas installations. Reliable and precise, the J78R is perfect for meter service applications, with consistent and accurate pressure control for Natural Gas and LPG systems.
Meets British Gas and European Gas Directive specifications, safe, compliant and efficient across a wide range of conditions.
Inlet pressures up to 75 mbar and standard adjustable outlet pressure of 15–23 mbar (via black spring). Adjustment screw located beneath the top cap. Mounting options for horizontal and vertical pipelines, so can be installed in almost any configuration.
Key Features & Benefits
Precise Pressure Control – Adjustable outlet pressure 15 – 23 mbar (6 – 9" wg) using standard black springs, for a wide range of gas systems.
High Compliance Standards – Meets European Gas Directive 2009/142/EC and British Gas specifications for safety and performance.
Wide Operating Range – –20 °C to +70 °C, for tough environments.
Flexible Installation – Can be mounted in horizontal or vertical pipelines.
Customisable Output – Optional springs available to extend outlet pressure range to 6 – 42 mbar.
Durable Construction – Built to last with precision engineering from Honeywell Elster, for long life.
Secure Connections – BSP taper female threads to BS 21 (ISO 7-1) for leak free connections.
Ideal Applications
Domestic gas meter service installations
Commercial catering and heating systems
Industrial process gas regulation
LPG or Natural Gas distribution and control systems
Why Choose the Elster Jeavons J78R?
The J78R Gas Regulator offers great accuracy, safety and versatility for any gas installation. Trusted across domestic, commercial and industrial sectors, it’s the installer’s choice for reliable pressure control and full compliance.
Service and appliance regulator for domestic, commercial, and industrial systems
Product Type
Gas Regulator
Features
Elster Jeavons J78R 3/4" Commercial Gas Regulator - 15-23 mbar Features
Precise Pressure Control – Adjustable outlet pressure from 15 – 23 mbar (6 – 9" wg) using standard black springs, ideal for a wide range of gas systems.
High Compliance Standards – Fully conforms to European Gas Directive 2009/142/EC and British Gas specifications for safety and performance.
Wide Operating Range – Performs reliably from –20 °C to +70 °C, suitable for challenging environments.
Flexible Installation – Can be mounted in horizontal or vertical pipelines for maximum versatility.
Customisable Output – Optional springs available to extend outlet pressure range up to 6 – 42 mbar.
Durable Construction – Built to last with precision engineering from Honeywell Elster, ensuring dependable service life.
Secure Connections – Fitted with BSP taper female threads to BS 21 (ISO 7-1) for leak-free connections.
