The Mastercool 3661 A/C Manifold Block is a professional-grade dual-gauge manifold set designed for automotive and HVAC refrigerant service. Compatible with R1234yf and R22 refrigerants, this manifold set provides accurate pressure readings and reliable performance in demanding service environments. The robust brass manifold body and color-coded hose set ensure clear identification and long-lasting durability. This complete kit includes all necessary components for efficient refrigerant recovery, evacuation, and recharge operations.
Features
Dual-gauge design with dedicated gauges for R1234yf and R22 refrigerants
Heavy-duty brass manifold block construction for corrosion resistance and durability
Color-coded hose set (red, blue, and yellow) for easy high-side, low-side, and service port identification
Includes quick-connect couplers and fittings for fast, secure connections
Suitable for automotive A/C and HVAC refrigerant service applications
Specifications
Brand: Mastercool
Part Number: 3661
Type: A/C Manifold Block (Dual-Gauge Set)
Compatible Refrigerants: R1234yf, R22
Manifold Body Material: Brass
Hose Colors: Red (High), Blue (Low), Yellow (Service)
Shipping
- We will usually ship your order in 1 to 2 business days! Orders purchased before 2:00 pm EST may be shipped the same day.
- Your order must have a subtotal of $199 or more to be eligible for free shipping.
- The delay of your order will depend on your location and from which warehouse your order is shipped from. We will always ship your order from the closest available warehouse. Based on our experience, we estimate the transit time to be between 1 to 3 business days across Canada (excluding NWT, Yukon and Nunavut) and 2 to 5 business days to USA.
- All orders will be shipped from Canada.
- You may pick up your order at one of our warehouses, Monday to Friday, from 8 am to 5 pm. Pickup orders are usually ready within 4 hours.
Returns
We are offering a 30-day money-back guarantee!
If you are not satisfied with your purchase within 30 days of receiving the product, you can ship it back to us for a refund or exchange.
Before returning the item, kindly send us a request using the Self-Serve Return option or contact our customer support team to get your return authorization. You may contact us by email at support@mprtools.com, phone at 1-800-905-0410, or chat through our website. We are available Monday to Friday from 8 am to 5 pm ET.
We want to guarantee your experience with us will be outstanding. Here are just a few of the reasons why mprtools.com is the go-to company to get your tools from:
1-Year Price Match Guarantee
We work very hard to ensure we offer the absolute best prices online. If you find it at a lower price somewhere else within 365 days of purchasing, please message us, and we’ll credit you back the difference right away.
30-Day Money-Back Guarantee
It's our duty to provide superior quality tools you can trust to get the job done. If you're not fully satisfied with your order, you can request a return for a complete reimbursement.