T775 SERIES 2000 ELECTRONIC STAND-ALONE CONTROLLERS
63-7147—05 44
T775 CROSS REFERENCE
Table 6 lists the manufacturers in the following order:
• Johnson (System 350) — beginning on page page 44.
• Honeywell — beginning on page 45.
• Johnson (Mechanical) — beginning on page 49.
• White Rogers — beginning on page 51.
• Barber Colman — beginning on page 52.
• Ranco — beginning on page 53.
• Tekmar — beginning on page 54
Table 6. Cross Reference.
Old
Control Manufacturer
Temperature ° F/
Humidity
Range (RH)
Switch
Action
Cap
Length
Recommended
Honeywell
Electromechanical
Replacement
Honeywell
Well #
(Order Sep.)
Recommended
Honeywell
Electronic
Replacement
Honeywell
Well #
(Order Sep.) Comments
NOTE: For all T775 Series 2000 Controllers, the Setpoint Temperature Range is -40° to 248° F (-40° to 120° C).
Johnson System 350
A350A/B Johnson T775A2009 Johnson model: 1 SPDT temperature
A350A/B with
1 S350
Johnson T775B2032 Johnson model: Multiple SPDT temperature
A350A/B with
up to 3 S350s
Johnson T775B2040 Johnson model: Multiple SPDT temperature
A350A/B with
more than 3
S350s
Johnson T775B2040 plus
additional T775Bs as
needed.
Johnson model: Multiple SPDT temperature
A350P Johnson T775M2006 Johnson model: 1 mod temperature
A350P with
up to 2 S350s
Johnson T775M2048 Johnson model: 1 mod temperature with relays
A350P with
up to 4 S350s
Johnson T775M2030 Johnson model: 1 mod temperature with relays
A350R with
up to 3 S350s
Johnson T775R2001 or
T775R2035
Johnson model: Mod temperature with reset and
SPDTs
A350S with
up to 4 S350s
Johnson T775R2001 or
T775R2035
Johnson model: Mod temperature with reset and
SPDTs
A350P with
A350R
Johnson T775R2043 Johnson model: 1 mod temperature with reset
A350P with
A350R and
multiple
S350s
Johnson T775R2027 or
T775R2019
Johnson model: 1 mod temperature with reset
and SPDTs
R353 with
S353s
Johnson T775L2007 or
T775P2003
Johnson model: Sequenced relays
W351A Johnson T775U2006 Johnson model: 1 SPDT humidity
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