Product Overview

THERMOSTATIC OPERATOR
DIRECT MOUNT w/Remote Sensor
EVO-Z
Tunstall Corporation
118 Exchange Street • Chicopee, MA 01013
© July 2015
We reserve the right to alter designs, specifications and information without notice.
Phone [phone] · Fax [phone]
www.tunstall-inc.com • www.maconcontrols.com
Bulletin-MC-EVO-Z-1015
Section: Non-Electric Operators
Description
EVO-Z is a self-acting, adjustable, non-electric
thermostatic operator and remote temperature
sensor. It has adjustable max./min.
temperature, selected temperature locking feature
and can be shutoff completely if required.
The symbol * protects against frost damage. Each
EVO-Z thermostatic operator is individually
calibrated and conforms to ASHRAE
standardization rules for temperature regulation.
The EVO-Z’s smooth shape and narrow air gaps
gives a nice operation and makes it easy to keep
clean. They can be mounted on all Macon NT
series valves.
NON-ELECTRIC
OPERATORS
TECHNICAL DATA
Temperature Setting Range 50ºF to 82ºF
Material
Engineered heat resistant
thermoplastic (PBT,POM)
Maximum Storage & Ambient Temp. 122ºF
Maximum Water Temp. 250ºF Nut Low Lead Brass
Maximum Steam Pressure 15 psig Weight 4.16 oz.
Maximum Differential Pressure 20 psi Color White
Suggested Differential Pressure 0.5 to 2.9 psi Width (A) 1.73”
Max. Movement 0.125” Height (B) 3.66”
Nominal Opening 0.018 (3.6ºF) Capillary Length 6’ 6”
Long Term Test 5000 Cycles (1.3ºF)
A
B
REMOTE
SENSOR
SENSOR PROVIDED
WITH GUARD
(GUARD NOT SHOWN)
ANGLE VALVE
BODY
THERMOSTATIC DIAL
INSIDE ENCLOSURE
DIRECTION OF FLOW
DIRECTION OF FLOW
STRAIGHT
VALVE BODY