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Zilmet ZFT18R-30 4.8 Gallon Flat Rectangular Hydronic Tank 1/2"MNPT with Union Connection and Bracket

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MSRP $323.00

Sale Price $161.50

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SKU#

ZFT18R-30

In stock

ZFT18R-30

Features

Ideal as a product and expansion vessel to pair with a wall hung condensing boiler or combi boiler to help maintain system pressure in closed-loop hydronic heating applications and add functionality in compact setups
All tanks come with a welded mounting bracket and 0.5 MNPT union connection with a double system check for easier maintenance.
The tank absorbs pressure from expanding water in heating systems for steadier operation
An internal diaphragm separates air and water inside the expansion vessel as a means of pressure control
Welded mounting bracket and 0.5 MNPT union connection are built in as installation specs for a quicker setup that helps avoid expensive installation when installed in the correct order
Provides a more professional look to the mechanical room
Great for tight installations
Allows for easier access to the boiler for maintenance
Strictly for hydronic heating, not potable water

Overview

The Zilmet ZFT18R-30 is a 4.8 Gallon flat rectangular hydronic tank designed as a product for closed-loop systems that manage pressure changes during heating while controlling thermal water expansion. Its 4.8 gallon size supports effective thermal water management and stable water temperature control in hydronic heating setups, making it a strong fit for residential and light commercial hydronic heating loops designed for wall-hung condensing boilers where limited-space installations need a compact, space-saving tank layout.

Its flat layout, unique design, welded mounting bracket, and 0.5 MNPT union connection with dual service check help simplify wall-mounted installation in tight spaces while also supporting a cleaner mechanical room appearance and easier routine service access.

Product Specification

Manufacturer: Zilmet

Model #: ZFT18R-30

Capacity: 4.8 Gallons

Connection Size: 1/2" MNPT

Mounting: Welded Wall-Mount Bracket

Connection Assembly: Union with Dual Service Check

Application: Closed-Loop Hydronic Heating Systems

Design: Flat Rectangular Profile

Specifications

More Information
Source	https://www.zilmetusa.com/
Model #	ZFT18R-30
Manufacturer	Zilmet
Performance Chart	None

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Product Literature

Product Literature- Zilmet Flat Tanks

(Size: 0.34 MB)

Product Specification- Zilmet Flat Tanks

(Size: 1.12 MB)

Zilmet Flats

(Size: 0.17 MB)

FAQs

What is the capacity of the Zilmet ZFT18R-30?

This tank has a 4.8 gallon capacity.

What shape is this hydronic tank?

It is a flat rectangular hydronic tank.

What connection type does it use?

It features a 1/2" MNPT union connection with dual service check.

Is a mounting bracket included?

Yes. The tank includes a welded mounting bracket.

What systems is this tank intended to complement?

It is designed to complement wall-hung condensing boilers.

Is it suitable for tight installation spaces?

Yes. The flat design and bracket are described as helping with tight installations.

Can it be pre-assembled before installation?

Yes. Contractors can mount it onto control boards in advance of installation.

Where is this product manufactured?

The product data lists the country of manufacture as the US.

Installation Tips

Installation Brief

The Zilmet ZFT18R-30 is designed for wall-mounted hydronic setups with an included bracket and union connection.

Mount the tank using the included welded bracket in the planned system arrangement.
Connect the tank using the 1/2" MNPT union with dual service check.
Verify the tank is secure and inspect all connections before placing the system into operation.