Sheet Metal 03-30-300UB
$4.57
-
Product Details
- Model Number
- 03-30-300UB
- Brand
- Gray Metal Products
- Condition
- New
Description
The 03-30-300UB is a piping and fitting supply stocked by Buy Comfort Direct — full listing: Sheet Metal 03-30-300UB. This page covers what it is, where it fits in a system, what to check before you order, and how it ships.
About the 03-30-300UB
Sheet Metal 03-30-300UB
Product Overview
This Unknown sheet_metal is designed for professional HVAC installations and service. Built to exact specifications, this component ensures reliable performance and compatibility with Unknown equipment. Professional installation recommended for optimal performance and warranty compliance.
Key Features
- Heavy-gauge galvanized steel construction
- Precision-formed for perfect fit
- Corrosion-resistant coating
- Professional-grade materials
- Meets all building code requirements
Technical Specifications
Unknown Component
| Model | 03-30-300UB |
|---|---|
| Category | N/A |
| Compatibility | N/A |
| Specifications | N/A |
| Warranty | N/A |
Ideal For
- HVAC system maintenance and repair
- Professional contractor service calls
- Preventive maintenance programs
- Emergency repair situations
- OEM replacement applications
This Unknown product represents quality engineering and reliable performance, backed by comprehensive warranty protection and nationwide contractor support.

Where the 03-30-300UB fits
Piping, fittings and line-set accessories are code-driven: material, size and pressure rating have to match the fuel or refrigerant they carry and the local mechanical code. The 03-30-300UB is stocked for the installer who needs the right fitting today, not a substitute that passes at first but fails inspection.
Refrigerant piping and gas piping look similar on the shelf and are not interchangeable: refrigeration copper is cleaned and capped to keep moisture and debris out of the system, and gas fittings are rated and listed for fuel service. Using the right one is a code requirement, not a preference.
Background reading: EPA Section 608 refrigerant rules.
What to check before you order
- Size and material match the pipe or tubing you are joining.
- Refrigeration-grade (ACR) copper and fittings for refrigerant lines; CSST or black iron per code for gas.
- Pressure rating and listing for the application.
- Thread sealant or brazing alloy compatible with the fuel or refrigerant.
Installation and service notes
Cut copper square and deburred, braze with nitrogen flowing to keep the inside of the joint clean, and pressure-test with nitrogen before pulling a vacuum. Gas piping is sized by length and load from the code tables, sealed with a sealant rated for the fuel, and leak-tested at the code pressure before the meter is turned on.
Why buy the 03-30-300UB from Buy Comfort Direct
We are a stocking HVAC distributor based in Winder, Georgia — not a marketplace reseller. Orders over $99 ship free, and financing is available at checkout through Affirm. If you are not sure this is the right part, call (877) 843-4822 before you order and we will match it to your equipment. Browse the rest of our HVAC Parts & Supplies, and see what customers say on our reviews page.
Ordering and delivery
In-stock items ship from our Winder, Georgia warehouse. Orders over $99 ship free; large equipment travels by freight carrier and parts by ground, and you will get tracking by email when it leaves. Need it matched to a system, or need a quantity that is not on the shelf? Use the contact page or call (877) 843-4822 and we will confirm availability before you pay.
03-30-300UB FAQ
Can I use these on refrigerant lines?
Only fittings rated for refrigeration service. Refrigerant work also falls under EPA Section 608 — see the link above.
Does the 03-30-300UB ship free?
Yes on orders over $99 — most orders that include it qualify. Large equipment ships by freight carrier; parts ship by ground.
How do I know it matches my equipment?
Send us your equipment model number through our contact page or call (877) 843-4822. We check the pairing before it ships.
Additional information
| Weight | 5.00 lbs |
|---|---|
| Dimensions | 3.00 × 3.00 × 30.00 in |
Only logged in customers who have purchased this product may leave a review.




Reviews
There are no reviews yet.