Brochure
Table Of Contents
Tunstall Corporation 
118 Exchange Street • Chicopee, MA 01013 
We reserve the right to alter designs, specifications and information without notice. 
Phone (413) 594-8695 · Fax (413) 598-8109 
www.tunstall-inc.com • www.maconcontrols.com 
Bulletin-ENTLZ-0714 
Non-Electric Operators 
THERMOSTATIC OPERATOR 
w/REMOTE DIAL and REMOTE SENSOR 
ENTLZ B56000
DATA 
Temp. Range: 46° - 80°F 
Hysteresis: 0.9°F 
Heat Transfer: 1.1°F (Valve Housing Sensor) 
Dead Time: 0.8 Minutes 
Max. Differential Pressure: 20 psi 
Suggested Differential Pressure = 0.5 to 2.9 psi 
Max. Water Temp.: 250°F 
Max. Storage & Ambient Temp.: 122°F 
Max. Steam Pressure: 15 psig 
Max. Movement: 0.125 
Nominal Opening: 0.018 (3.6ºF) 
Long Term Test: 5000 cycles (1.3°F) 
DIAL SETTINGS: 
0 = Off 
* = 46°F (Frost Protection) 
1 = 54°F 
3 = 61°F 
5 = 68°F 
6 = 72°F 
7 = 76°F 
8 = 80°F
ACTUATOR IN COVER 
SENSOR PROVIDED WITH 
GUARD (NOT SHOWN) 
DIAL MOUNTED ON COVER 
(1-1/2” DIA. HOLE REQUIRED) 










