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-MC-NTCT-0714 
Valves 
COMPARISON CHART  
Description  MACON 
Ammark 
Bell & 
Gossett 
(ITT) 
Honeywell 
Braukmann 
Honeywell 
Sparco/
Braukamnn 
Danfoss 
RA 2000 
Old 
(SYR) 
New 
Series 53 
(Old) 
Series 54 
(New) 
½” Vertical Angle  N10637  70  60  TM12-50 V110E1004 V100E1055/5030 013G8014 5323  5423 
½” Horizontal Angle  N10837  77  67 TM42-50  V110F1002  V100f1054  013G8013 5322  5422 
½” Straight  N10737  71  61  TM21-50  V110D1000  V100D1056/5057  013G8015  5321  5421 
½” Sweat  N10930  -  -  -  -  V100G5054  013G8042  -  5424 
¾” Vertical Angle  N10657  70  60  TM12-75 V110E1012  V100E1063 013G8019 5333  5433 
¾” Horizontal Angle  N10857  77  67 TM42-75  V110F1010  V100F1062  013G8018 5332  5432 
¾” Straight  N10757  71  61  TM21-75  V110D1008  V100D1008  013G8020  5331  5431 
¾” Sweat  N10950  -  -  -  -  V100G5062  013G8044  -  5434 
1” Vertical Angle  N10677  70  60  TM12-100 V110E1020  V100E1071 013G8024  -  5443 
1” Horizontal Angle  N10877  77  67 TM42-100  V110F1018  V100F1070  013G8023  -  5442 
1” Straight  N10777  71  61  TM21-100  V110D1016  V100D1072  013G8025  -  5441 
1” Sweat N10970 - - - -  - - - 5444 
1¼” Vertical Angle  N10697  70  60  -  V110E1028  -  013G8031  -  5453 
1¼” Horizontal Angle  N10897 77 67 -  V110F1026  -  013G8030 - 5452 
1¼” Straight  N10797  71  61  -  V110D1024  -  013G8032  -  5451 
Direct Mount T-Stat  ENT B26000  72  62 TM5 T104A1018/1040 T100A1028/1018 013G8200 5201 5401 
Direct Mount T-Stat  MTW-28  72  62  TM5 T104A1018/1040 T100A1028/1018 013G8250 5201-3 5401 
Remote Sensor T-Stat  MTWZ  73  63 TM6 T104F1021/1512 T100F1395/1021 013G8252 5203 5403 
Remote Dial T-Stat  ENTL B46000  76  66  TM9 T104B1019/1038 T100B1035/1387 013G8562 5206  5406 
Remote Sensor & Dial  ENTLZ B56000  74 -  -  T104C1015/1036 T100C1026/1015 013G8564 5211 5411 
One Pipe Steam Valve  OPSK  -  - TM1PS  Y108P  Y100P  013G0140 5213  5413 
Taco 
  MTW  MTWZ  ENTL B46000  ENTLZ B56000  VM-24 Volt 
Vertical Angle 
Not recommended 
(may shut off 
prematurely due to 
poor air circulation) 
Yes Yes Yes Yes 
Straight 
Yes, if 
thermostat is 
mounted inverted 
or horizontal 
Yes Yes Yes Yes 
Horizontal Angle 
Yes Yes Yes Yes Yes 
Sweat 
Yes, if 
thermostat is 
mounted inverted 
or horizontal 
Yes Yes Yes Yes 










