Zilmet ZFT18R 4.8 Gallon Flat Hydronic Expansion Tank, 1/2″ MNPT

Low-Profile Design for Wall-Mounted Boilers and High-Efficiency Systems

Zilmet ZFT flat hydronic expansion tanks offer high capacity in acompact size, making them an ideal match for todays heatingsystems. From traditional installations to wall-mounted boilerboards, every unit includes convenient, installer-focused features
to streamline every job and make service easy. See why ZFT-seriesare the modern solution for dependable hydronic protection.

Features

• Low-profile design with optimized expansion capacity to protect new or existing installations
• Industry-best diaphragm acceptance withstands greater expansion volume without overextending
• Includes welded bracket for flexible mounting options in any position
• Exclusive union connection simplifies installation; dual-check design allows dry-disconnect for easy service
• Perfect accessory to pair with a wall hung condensing boiler
• Provides a more professional look to the mechanical room
• Great for tight installations
• Allows for easier access to the boiler for maintenance

Specifications

• Carbon Steel Shell Stainless Steel Connection
• SBR synthetic rubber membrane
• NPT connection
• Max working pressure (ZFT18R, ZFT24R): 51 PSIG
• Operating temperature: 194F
• Factory precharge: 12 PSIG
• Industry Size: #15
• Capacity: 4.8 gallons
• Length: 17.5″
• Width: 13.8″
• Height: 6.2″
• Weight: 20lb
• Acceptance: 2.7 gallons
• FOR HYDRONIC USE ONLY

Brochure

Installation Instructions

Submittal