Midline Valve S3565 Double Shutoff Expansion Tank Isolator Valve With Drain Brass 1/2 Inch MIP X FIP
Why you'll like it
- Labor Saving Design — Eliminates at least eight traditional soldered joints during installation to save time and effort.
- Double Shutoff Capability — Isolates the expansion tank securely and allows boilers to fill safely at zero pressure.
- Integrated Drain Port — Enables quick and easy local draining of the expansion tank without draining the entire heating system.
- Premium Brass Construction — Built with heavy-duty forged brass and comfort grip vinyl lever handles for long-lasting durability.
Product details
Description
The Midline Valve S3565 Double Shutoff Expansion Tank Isolator Valve is an essential plumbing component engineered for closed-loop heating and hydronic systems. Built from heavy-duty forged brass, this rugged valve features an integrated drain port and dual quarter-turn comfort grip vinyl lever handles for precise flow control.
It installs directly between the expansion tank and the air scoop, allowing heating technicians and DIYers to easily isolate and drain the expansion tank locally without having to shut down or drain the entire boiler system. Designed as a major labor saver, this fitting eliminates the need for numerous traditional soldered joints during installation.
Whether you are performing routine maintenance, checking system pressure, or replacing a worn tank, this professional-grade valve ensures reliable performance, secure threaded connections, and simplified upkeep for your heating infrastructure.
How to use
- Install the valve directly between the heating system air scoop and the expansion tank using the 1/2 inch MIP x FIP threaded connections.
- Use the dual shutoff handles to close off water flow when isolating the tank for maintenance or replacement, and utilize the integrated drain port to clear trapped water before servicing.
Ingredients
Heavy-Duty Forged Brass Body, Brass Ball Valves, Vinyl Coated Steel Lever Handles, Threaded Brass Connections
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Midline Valve |
|---|---|
| UPC | 804595108710 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What is your boiler or tank setup?
The Midline Valve S3565 is designed specifically for closed-loop hydronic heating systems, installing directly between the expansion tank and the air scoop to streamline flow control.
Are you looking for installation steps or troubleshooting help?
This valve mounts directly into your heating lines using standard 1/2 inch MIP x FIP connections, allowing you to isolate and drain the expansion tank independently from the main boiler layout.
What specific application or boiler setup are you installing it into?
It is ideal for residential and commercial closed-loop heating systems where quick tank isolation, pressure checking, and local draining are required during routine servicing.
Are these imported USA products authentic when buying from Dropy India?
Yes, all items sold on Dropy India are 100% authentic USA imports, sourced directly from trusted American suppliers to ensure genuine quality and performance.
How does the double shutoff feature work?
The dual quarter-turn ball valves cut off water flow from both the main heating system and the expansion tank simultaneously, enabling safe zero-pressure boiler filling and maintenance.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.