Laars Heating Systems R0384700 Valve

The Laars Heating Systems R0384700 Valve is a professional-grade 24V combination NG valve engineered specifically for high-efficiency heating systems. Designed as a direct replacement for natural gas boiler and furnace applications, this combination gas valve integrates pilot and main gas control into a single, compact housing to streamline manifold assemblies. It is widely utilized in Laars Mini-Therm JVi series (models JVH-50 through JVH-160) and Mini-Combo MCH units, ensuring precise fuel flow regulation and reliable ignition sequences. As an OEM replacement part, it handles industry-standard 24VAC input and is calibrated for natural gas, managing the critical transition from pilot to main burner while maintaining safe manifold pressures. For technicians troubleshooting flame-out or ignition failures in hydronic systems, the R0384700 provides the exact electrical and mechanical specifications required to restore factory-standard combustion performance and safety without the need for field modifications.

• Dual-Function Integration: Consolidates pilot and main gas regulation in one unit to simplify installation and reduce leak points in the gas train.
• Broad Compatibility: Specifically engineered for Laars JVH and MC models, ensuring seamless fitment and 24VAC control logic alignment.
• Industrial Durability: Built with robust internal components to withstand the high-cycle demands of commercial and residential hydronic heating environments.
• Precision Metering: Delivers consistent gas pressure to the burner assembly, optimizing combustion efficiency and reducing soot buildup.

Which Laars models are compatible with the R0384700 valve?
This valve is the standard replacement for Laars Mini-Therm JVH-50, JVH-75, JVH-100, JVH-125, and JVH-160 models, as well as several Mini-Combo units. Always verify your specific model number on the rating plate before installation.

Can this gas valve be converted for use with Liquid Propane (LP)?
The R0384700 is factory-set for natural gas applications. Any conversion to LP must be performed by a licensed technician using the manufacturer-approved conversion kit to ensure safe manifold pressure settings.

What are the signs that the R0384700 needs replacement?
Common failure indicators include the pilot lighting but failing to ignite the main burner, irregular manifold pressure readings, or if the internal 24V solenoid fails to click during the ignition trial sequence.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.