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REGO LV4403SR4VI 5 lb Regulator 1/2″ NPT Vent Over Inlet | P99 Compatible

SKU: LV4403SR4VI

$155.32

Only 2 left in stock

Same-item volume pricing
QuantityUnit priceSaving
1–4$155.320%
5–9$147.555%
10+$139.7910%

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REGIONS SUPPLY BUYING GUIDE

Product details & buying advice

Start your regulator selection at the tank: the first stage supplies the intermediate pressure needed by a separate downstream regulator.

Product type First-stage LP gas regulators
Part / SKU LV4403SR4VI
Inlet connection 1/2 in. female NPT
Outlet connection 1/2 in. female NPT
Factory delivery 5 PSIG
Bonnet vent Over inlet
Propane vapor capacity 2,500,000 BTU/hr; rating conditions: inlet 20 PSI above setting, delivery 20% below setting
Adjustment range 1–5 PSIG

What to check before ordering

  • Identify the required intermediate outlet pressure and the inlet conditions for this stage.
  • Compare the connected appliance load with the capacity published for the same inlet and delivery conditions.
  • Ask your gas installer to confirm the vent position, weather protection and commissioning checks before installation.

Service reminder: Include vent condition in routine service. Debris, insects, snow or water can obstruct it; any vent extension must follow the model instructions. Replace a regulator that has been submerged.

Have gas-system installation and service completed by qualified personnel. Use the current instructions for the exact model and the requirements that apply at the installation location.

Product help & manufacturer resources

Explore this product guide · Shop this product group · Ask Regions Supply about this part

Overview

REGO LV4403SR4VI 5 lb Regulator – 1/2″ NPT, Vent Over Inlet (P99 Compatible)

The REGO LV4403SR4VI is a 5 lb low-pressure regulator designed for use in commercial and industrial gas systems, commonly installed downstream of REGO P99 regulators. This model provides controlled pressure reduction while supporting system safety and compliance.

Featuring 1/2″ NPT inlet and outlet connections and a vent-over-inlet design, the LV4403SR4VI is ideal for installations where controlled venting and compact sizing are required. Its rugged cast-metal construction ensures long service life in demanding environments.

Key

Specifications

  • Model: LV4403SR4VI
  • Outlet Pressure: 5 lb
  • Connection Size: 1/2″ NPT Inlet & Outlet
  • Vent Style: Vent Over Inlet
  • Construction: Heavy-duty cast metal
  • Compatibility: Designed for use with P99 regulators

Common

Applications

  • Downstream regulation for P99 gas regulators
  • Commercial and industrial gas trains
  • Agriculture, dryers, boilers, furnaces, and asphalt plants
  • LP Gas and Natural Gas systems

Brand new, unused, and ready for installation.
Always verify system design and code requirements prior to installation.

Product details

Part / SKU LV4403SR4VI

Package includes

  • REGO LV4403SR4VI 5 lb Regulator 1/2" NPT Vent Over Inlet | P99 Compatible

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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