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 auto changeover LP regulator designed for propane use with two 12-inch pigtails and focuses on maintaining constant gas pressure and uninterrupted supply; YESHMA (B) is an adjustable EFI fuel pressure regulator kit with a gauge for 30–70 psi, aimed at fuel injection systems. Pick A if you need a propane automatic switch with dual cylinder pigtails and higher review count; pick B if you need adjustable EFI fuel pressure control with a built-in gauge
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
Adjustable fuel pressure regulator kit with gauge for EFI systems, includes regulator and pressure gauge. Users note easy installation and good build quality, with some concerns about pressure stability and leakage
Pros
- adjustable fuel pressure 30-70 psi
- includes pressure gauge
- universal EFI compatibility
- high-quality aluminum regulator
Cons
- pressure may not hold below 50 psi
- leakage concerns reported
- limited adjustment capabilities
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Flame King |
| Durability | Flame King |
| Versatility | YESHMA |
| User Reviews | Flame King |