Regulator for Cummins Onan QG 2500i Onboard RV Generator
Updated 02/18/2026 | Published 02/13/2026
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Question:
Cummins Onan QG 2500i Onboard RV Generator... What LP regulator is needed for this generator? We have tried off the shelf low pressure regulators and they all seem to give too much flow.
asked by: Charles D
Expert Reply:
Hi Charles; do you have the Cummins Onan QG 2500i Onboard RV Generator # CM25ZR installed on your RV? Assuming you do, it will operate off of the existing two-stage regulator. This will maintain a constant 11" w.c. propane pressure. If this is some kind of standalone installation you can use a regulator like # CAM59333 or # CAM59313.
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Product Page this Question was Asked From
Onan Generator - QG 2500i Onboard RV Generator w/ Inverter - 2,500 Watts - Propane - CARB Compliant
- Generators
- Inverter
- Propane
- 2001 - 3000 Watts
- Onboard Generator
- 12V Output
- Carbureted
- Electric Start
- Cummins Onan
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