Navien SmartZone+ Controller Pump Control for 2, 3, 4 or 6 Zones.
Use for any manufacturer's boiler that is installed in a multi-zone space heating application.
Now it is easy to integrate any boiler into a zoned hydronic system with pumps. Use these controllers to customize your zoned heating system. The FMZ-40 communicates between your boiler and up to six zone pumps. Your settings can improve system efficiency.
Choose from 2, 3, 4 and 6 zone controller models in the menu above.
♦ Advanced, built-in display with system status and diagnostics
♦ Compatible with boilers (using TT contacts) and pumps of all manufacturers
♦ Use multiple SmartZone+ controllers to control up to 24 zones
♦ Setting for DHW (domestic hot water) priority
♦ Purge time settings
♦ Freeze protection using an indoor temperature sensor
♦ Manual pump control
♦ Automatic air purge
♦ Advanced user modes allow you to further customize your system
These zone pump controllers are compatible with both Navien NHB Series gas-fired boilers and NCB Series combi-boilers.
This item can only turn pumps on and off, and cannot switch on and off valves.
FAQ ("Frequently Asked Question")
Q1: I've seen part numbers for the 6 zone controller as PFMZ-06-001 and PFMZ-06P-001. Are these different products? What the "P" stand for?
A1: Navien tech support has confirmed that they use both item number schema interchangeably. Examples:
PFMZ-02-001, PFMZ-03-001, PFMZ-04-001 and PFMZ-06-001 shown here for the NHB boilers: http://us.navien.com/ProductAccessories/Page1/NHB/ and here for the NCB combi-boilers: http://us.navien.com/ProductAccessories/Page1/NCB/
PFMZ-02P-001, PFMZ-03P-001, PFMZ-04P-001 and PFMZ-06P-001 shown here for the NHB boilers http://us.navien.com/__DATA/Tech/2017/1/2/Navien%20NHB%20Spec%20Sheet.pdf (with a revision date of November 2016 as indicated at the bottom of the document) and here http://us.navien.com/__DATA/Tech/2015/12/20/Brochure-803-2NAV_NCB-E_Combi-boiler_Bro_LO.pdf for the NCB combi boilers.