Description
Product Overview
The PB Motor Tech vacuum pump set combines a robust 1/3 HP motor with a high‑flow 4.5CFM capacity, delivering rapid refrigerant extraction and charging. The included 3‑way brass manifold gauge features extra‑large, rubber‑coated dials and a clear sight‑glass window for precise pressure monitoring. Housed in reinforced aluminum alloy, the pump dissipates heat efficiently, while the rounded sight glass atop the oil tank allows easy oil level checks. Dimensions are 15.94 x 7.48 x 11.02 inches and it weighs 12.89 pounds, making it portable yet sturdy.
Usage
Designed for automotive air‑conditioning technicians and home‑service professionals, this kit excels in diagnosing, charging, and recovering refrigerants on cars, trucks, and residential AC units. The color‑coded 4‑ft hoses simplify connections to R134A, R12, R22, and R502 systems. Ideal for workshop environments, mobile service vans, or DIY garage projects, the non‑slip grip handle ensures safe handling during extended use.

Why Choose Us
PB Motor Tech prioritizes durability and accuracy. The solid brass gauge resists corrosion, while the aluminum housing provides superior heat management. Each unit undergoes strict quality testing to meet automotive standards, and the comprehensive kit includes quick‑couple adapters, hoses, and a user manual. Our after‑sales support offers guidance on oil selection and maintenance, ensuring long‑term reliability.
Key Features
- Solid brass gauge with extra‑large, rubber‑coated dials for precise readings
- 1/3 HP motor and 4.5CFM flow rate for fast refrigerant recovery
- Reinforced aluminum housing with heat‑dissipating design
- Rounded sight glass for easy oil level monitoring
- Compatible with R134A, R12, R22, and R502 refrigerants
FAQ
Do I need to add oil before using the pump?
Yes, the pump ships without oil. Add #32 or #68 vacuum pump oil before first use to ensure proper lubrication and prevent motor damage.
Can this set be used for residential AC systems?
Absolutely. The manifold gauge and hoses are compatible with common residential refrigerants, making it suitable for home air‑conditioning service.
What is the warranty period?
PB Motor Tech offers a one‑year limited warranty covering manufacturing defects for the pump and gauge.
How do I clean the sight glass?
Wipe the glass with a soft, lint‑free cloth and a mild glass cleaner. Avoid abrasive materials that could scratch the surface.
Is the kit suitable for beginners?
Yes. The color‑coded hoses and clear instructions make it user‑friendly for both seasoned technicians and DIY enthusiasts.




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