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©2018 Thermaco, Inc. All rights reserved  •  Patented/Patents Pending  •  Specifications subject to change without notice

Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • (336) 629-4651

MNL-TZ-1826  21

A THERMACO® Technology

Trapzilla

®

 Grease Interceptor

Installation and Operations Manual

TZ-1826 Models

AEF

MNL-TZ-1826  20

6. Unit Maintenance

6.1 Measuring Grease/Solids Levels

Due to its unique design, Trapzilla is capable of retaining high quantities of grease in a compact footprint.  

Therefore, unlike traditional interceptors, Trapzilla can hold an extraordinarily high percentage of its 

volume in grease without losing separation efficiency.  To determine the current levels of grease/solids 

in your Trapzilla grease interceptor, follow the instructions below.
1.  Remove four nuts/washers securing the 22” Solid Top Cover.
2.  Place a grease/sludge dipstick into the center of the opening, making sure that it goes through the 

hole in the horizontal baffle.

3.  Once the dipstick has found its natural resting place at the lowest point in the conical shaped bottom, 

take the measurement.

4.  Remove dipstick and compare grease/sludge levels to the corresponding unit in the charts below.

Grease 

Solids

Total

Capacity 

(depth):

Ready to 

pump at

(depth):

Total 

Capacity

(height):

Ready to 

pump at

(height):

TZ-1826

25”

20”

13.5”

10.75”

Take solids/sludge measurement from 

bottom of unit upward and compare to 

chart above.

Take grease measurement from top of 

liquid level downward and compare to 

chart above.

Note: Drawing for reference only.  Equipment must be installed in compliance with all applicable laws, regulations 

and codes, including plumbing codes.  Installation should be performed by a qualified plumber. 

6.2 Pumping/Servicing Unit

Periodically, the Trapzilla® unit will need to be serviced which involves pumping out all accumulated 

grease and solids.  Pumping frequency may be set at a regular interval by sewer district (every 30-90 

days).  If not, determine pumping frequency using instructions in 6.1 to periodically measure grease/

solids levels to determine appropriate timing for pumping.  Follow instructions below to pump/clean out 

TZ-1826.
1.  Each lid has four brass nuts securing the lid.  Remove the four brass nuts from the bolts and fully 

remove the 22” lid to pump out.  It is not necessary to remove adapter lid to pump out Trapzilla.  

2.  Begin by taking the grease from the top of the main chamber until all grease is removed.
3.  Upon reaching the horizontal baffle, you will see a hole through which you may access the rest of 

the grease and the solids.  Be sure to lower the hose all the way to the bottom of the Trapzilla unit  

on the outlet side so that solids may be entirely removed.  The conical shape and natural grade of 

the unit will allow solids and grease to run to outlet side of unit.

4.  Have kitchen run water into unit to flush any remaining solids to the outlet end of the unit.
5.  If necessary, use a water hose with spray nozzle to rinse off inside of unit.
6.  Secure lids in place and instruct kitchen to run water into unit until full.
DO NOT use mechanical crust breaking devices to break down any mat that has formed inside the 

Trapzilla unit.
DO NOT use grinding augers in maintenance of the Trapzilla unit.

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Summary of Contents for Trapzilla TZ-1826

Page 1: ...HOLE OR PART WITHOUT WRITTEN CONSENT FROM THERMACO INC POSSESSION OF THIS DRAWING DOES NOT CONSTITUTE THE RIGHT TO MANUFACTURE POSSESSION OF THIS DRAWING DOES CONSTITUTE AN IMPLIED NONDISCLOSURE AGREE...

Page 2: ...There are many factors influencing odor evolution and dissemination These include room ventilation kitchen menu ambient temperatures ware washing practices grease oil input daily input fluid volume sa...

Page 3: ...andard STC 22 cover Each TZ 1826 would require two 2 FTCA 22 covers SSA 1826 Support Stand for TZ 1826 forAbove Ground Installations Must be fully supported not to be installed over grates Included wi...

Page 4: ...diameter of the system s outlet connection must be present as close as possible to the Trapzilla outlet to prevent possible siphonage problems The Vent on the Outlet piping is to be installed in accor...

Page 5: ...ut before and after all Trapzilla Installations Outlet Inlet Cleanout Cleanout Outlet Vent Connect to facility vent Note Drawing for reference only Equipment must be installed in compliance with all a...

Page 6: ...ts Connect to facility vent Low Head Flow Control not pictured to be installed as close as possible to inlet of first grease interceptor Cleanout Note Drawing for reference only Equipment must be inst...

Page 7: ...ESS NOTED 646 GREENSBORO STREET PO BOX 2548 ASHEBORO NC 27203 VOICE 336 629 4651 FAX 336 626 5739 Decimals XX 03 XXX 015 Unless otherwise specified Dimensions are in inches Tolerances Angular 1 CHECKE...

Page 8: ...it may also be installed in the ground inside or outside of the facility For instances where the facility drainage piping requires an extension collar that is more than the 18 provided by the built in...

Page 9: ...s purchased separately In some cases TZ 1826 may be installed in locations where built in extension collar will not reach grade In these cases the two piece ECA TZ 29 Extension Collar purchased separa...

Page 10: ...dapter ring Two of these screws should be installed in each of the four 4 skirt areas of the adapter ring Check the extension collar height dimension frequently during this operation to ensure that th...

Page 11: ...bolts and fully remove the 22 lid to pump out It is not necessary to remove adapter lid to pump out Trapzilla 2 Begin by taking the grease from the top of the main chamber until all grease is removed...

Page 12: ...not arising out of defects in workmanship or materials Thermaco shall not be responsible for damage to Products resulting from ultraviolet light exposure vault flooding sewer line back up pumping or...

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