RegO LV404B9 Twin Stage LP Gas Regulator F POL x 1/2″ FNPT 525K BTU

Brand: RegO

MPN: LV404B9

Type: Twin Stage / Integral LP Gas Regulator

Gas: Propane / LP Gas

Inlet: Female POL

Outlet: 1/2″ Female NPT

Capacity: 525,000 BTU/hr propane per the RegO datasheet; RegO’s current product page lists 600,000 BTU/hr, so for an eBay listing tied to the supplied description I would use 525,000 BTU/hr.

Factory Delivery Pressure: 11″ W.C. at 100 PSIG inlet

Adjustment Range: 9″–13″ W.C.

Orifice: 3/16″

1st Stage Vent: Down

2nd Stage Vent: Over outlet

Features:

• Two-stage pressure regulation in one unit
• Reduces LP container pressure to approximately 11″ W.C.
• Female POL inlet × 1/2″ FNPT outlet
• Designed for on-site cylinders, mobile homes and average residential/domestic LP service
• Suitable for small ASME tanks and 100–420 lb DOT cylinders
• Integrated first- and second-stage regulator design

Suggested Description:

RegO LV404B9 twin-stage regulator designed for propane/LP gas systems. Features a Female POL inlet and 1/2″ Female NPT outlet with factory delivery pressure of 11″ W.C. This regulator combines first- and second-stage pressure reduction in a single assembly and is intended for residential, mobile-home, cylinder and similar LP-gas applications. 

Features – RegO LV404B9

• Twin-stage regulator combines first- and second-stage regulation in one compact unit
• Designed specifically for LP Gas / Propane
• 525,000 BTU/hr capacity
• Female POL inlet
• 1/2″ Female NPT outlet
• Factory-set delivery pressure of approximately 11″ W.C.
• 9″–13″ W.C. adjustment range
• Provides stable downstream pressure from varying container pressure
• Compact design for convenient installation
• Suitable for residential, mobile home, cylinder, and small ASME tank applications
• Heavy-duty construction for dependable LP gas service
• Manufactured by RegO, a recognized manufacturer of LPG control equipment
• Model / MPN: LV404B9
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  Advantages – RegO LV404B9

  • Two-stage regulation in one unit provides consistent and stable propane pressure.
  • High 525,000 BTU/hr capacity supports demanding LP gas applications.
  • Improved pressure control compared with a single-stage regulator.
  • Helps maintain approximately 11″ W.C. outlet pressure as tank pressure changes.
  • Compact all-in-one design reduces the need for separate first- and second-stage regulators.
  • Female POL inlet allows convenient connection to compatible propane cylinders.
  • 1/2″ FNPT outlet works with common LP gas piping configurations.
  • Helps provide smooth, reliable gas flow to downstream appliances.
  • Suitable for residential, mobile-home, cylinder, and small tank installations.
  • RegO construction and design provide dependable performance for LP gas service.