Flame King 2-Stage Auto Changeover LP Regulator w/ 12in Pigtails vs YESHMA EFI Fuel Pressure Regulator Kit with Gauge
Overall winner: Flame King 2-Stage Auto Changeover LP Regulator w/ 12in Pigtails
Key Differences
Flame King (A) is a two-stage LP regulator with auto changeover and included 12-inch pigtails aimed at propane/ RV use; YESHMA (B) is an adjustable EFI fuel pressure regulator with gauge for gasoline fuel systems. Pick A if you need continuous propane supply and cylinder auto-switching; pick B if you need adjustable 30–70 psi fuel pressure and EFI compatibility
Flame King 2-Stage Auto Changeover LP Regulator w/ 12in Pigtails
Two-stage auto changeover propane regulator for RVs with dual tanks. Maintains gas pressure and allows tank swap without interrupting supply. Customer notes include easy installation and occasional leakage at hose connections
Pros
- two-stage design maintains constant gas pressure
- includes two 12-inch pigtails
- allows removal of empty cylinder without interrupting supply
- UL listed regulator
Cons
- potential leakage at hose connections
- plastic fittings can become brittle
- mixed reviews on automatic tank switching
YESHMA EFI Fuel Pressure Regulator Kit with Gauge
Fuel pressure regulator kit with adjustable 30–70 psi gauge and universal EFI compatibility. Includes regulator and pressure gauge; designed with aluminum regulator and stainless steel fittings. Customers cite easy installation and good value, though some report leakage and limited regulation below 50 psi
Pros
- adjustable fuel pressure 30–70 psi
- universal EFI compatibility
- includes regulator and pressure gauge
- easy installation
Cons
- some users report leakage
- pressure may not regulate below 50 psi for some setups
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Flame King |
| Durability | Flame King |
| Versatility | YESHMA |
| User Reviews | Flame King |