Hole Size acc. to float
Float Stops: Grip Rings
Brass units - Beryllium Copper
SST units Ph 15-7MoSST
Float Stops: Collars
Brass units - Brass collars
SST units -316 SST collars
As Per Customer Requirements
1 to 6
Polymeric leads 24" Long for UL Recg.
Teflon Leads 24" Long for Non-UL Recg.
Reed Switches (UL Recognized Units)
SPST 20 VA 120-240 VAC
Reed Switches (Non UL Recognized Units)
SPST 20 VA 120-240 VAC
SPST 100 VA 120-240 VAC
SPDT 20 VA 120-240 VAC
1/16 Total Envelope. (See Note 6) Inch
-40o to 300oF depending on the type of Float used.
Mounts to outside of Tank.
Speciality Mountings to your specs
All PVC wetted parts
ANSI Flange Mountings
Please Refer notes 2, 3, 4, 5, & 18
Part Number 3555 PVC float is used for PVC Model 4000. See specifications
Also available: leads in different lengths, cable, terminated ends, etc. consult factory.
Relays are available for handling higher electrical loads than allowed. See accessory section for details.
Grip rings come standard at no extra charge.
Optional collars are available from stock. See drawing 1.0.
Special reed switches are stocked to yield a hysteresis of 1/4". Consult factory.
Style 1 mounting installs from the inside of the tank into a 1/2" NPT boss. Specify float part number: 3506,3507, 3508, or 3555.
Style 2 mounting installs from the outside of the tank into a 1 1/4" NPT boss. Specify float part number 3507.
Style 3 mounting installs from the outside of the tank into a 2" NPT boss. Specify float part number: 3506, 3507, 3508, or 3555.
Style 4 flange mounting installs from the outside of the tank onto a 3" ANSI flange mating surface. Specify float part number 3506, 3507, 3508, or 3555.
Style 10 external tank mounting installs to the tank exterior. Bottom "run" port can be fabricated at branch position typical to top port. Thomas Products LTD. can machine ports on both bronze and stainless steel housings for silver braze or socket weld end connections. Consult factory. Specify float part number: 3506 or 3508.
Style 11 mountings install from the outside of the tank onto a 3" ANSI flange mating surface. Note: The bolt patterns angular position must be followed per drawing. See Multi-Level Specification Form 4000. Specify float part number: 3506, 3507 or 3508.
Style 10 external tank unit is available in all PVC construction. Consult factory.
Styles 4 & 11 flange mounting types are also available with a 1", 2" or 4" 150# ANSI flanges.
Multi-level Specification Form 4000 must be used to ensure correct dimensional data.
All wetted parts PVC.
Custom interface floats are available. Consult factory.
Materials of copper-nickel, titanium, hastelloy and aluminum are stocked. Consult factory.