
6" Flat Oval 45° Elbow Galvanized HVAC Duct Fitting 6-503-OF
Part/SKU: 6-503-OF
$155.32
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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 |
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.
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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
Common
Brand new, unused, and ready for installation.
Always verify system design and code requirements prior to installation.
| Part / SKU | LV4403SR4VI |
|---|
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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