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Our Products

Plastic RV holding tanks are great replacement RV tanks that have a variety of usages and applications.
RV Waste Holding Tanks
RV Septic Tanks
RV Black Water Holding Tanks
RV Grey Water Holding Tanks
These all purpose RV holding tanks are manufactured from Food & Drug Administration approved polyethylene resin and come with a premolded outlet. We also install any additional fittings per your specifications.

RV Holding Tank walls vary in thickness from 1/4" to 3/8". TanksForLess.com is proud to be your RV holding tank supplier. These tanks are a compatible solution to replace your older ABS plastic tanks.

We offer 100's of different sized replacement holding tanks for your RV, Pop-up Camper, Motorhome or Travel Trailer.

Rectangular Tank Fitting Drawing Instructions

Name CapacityDimensionsPart Price
Todd Marine 3 Gallon Water / Holding Tank #85-1859WH 3 Gallons14 in. L x 11 in. W x 6.5 in. H85-1859WH $68.99
Todd Marine 3 Gallon Water / Holding Tank #85-1859WH
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3 Gallons14" L x 11" W x 6.5" H9503-85-1859WH $71.99
Todd Marine 6 Gallon Water / Holding Tank #85-1531WH 6 Gallons16 in. L x 12 in. W x 8 in. H85-1531WH $78.99
7 Gallon Rv Holding Tank 7 Gallons19"L x 11"W x 11"HR-19H $119.99
7 Gallon Rv Holding Tank 7 Gallons30" L x 9"W x 11"HR-9H $128.99
Todd Marine 9 Gallon Water / Holding Tank #85-1667WH 9 Gallons17 in. L x 14 in. W x 10 in. H85-1667WH $102.99
9 Gallon Rv Holding Tank 9 Gallons30"L x 20"W x 8"HR-35H $229.99
9 Gallon Rv Holding Tank 9 Gallons30"L x 13"W x 8"HR-36H $139.99
10 Gallon Rv Holding Tank 10 Gallons28"L x 15"W x 11"HR-100H $209.99
10 Gallon Rv Holding Tank 10 Gallons36"L x 13"W x 6"HR-34H $149.99
10 Gallon Rv Holding Tank 10 Gallons28"L x 15"W x 11"HR-59H $209.99
10 Gallon Trionic Water / Holding Rectangle Tank 10 Gallons17"L x 14"W x 10"HTRI-WH-2010 $149.00
11 Gallon Rv Holding Tank 11 Gallons13"L x 24"W x 12"HR-49H $169.99
11 Gallon Rv Holding Tank 11 Gallons41"L x 13"W x 7"HR-76H $209.99
12 Gallon Rv Holding Tank 12 Gallons28"L x 21"W x 10"HR-41H $199.99
12 Gallon Rv Holding Tank 12 Gallons81"L x 14"W x 7"HR-44H $239.99
Todd Marine 13 Gallon Water / Holding Tank #85-1626WH 13 Gallons24 in. L x 10 in. W x 14 in. H85-1626WH $125.99
13 Gallon Rv Holding Tank 13 Gallons29"L x 17"W x 11"HR-26H $179.99
13 Gallon Rv Holding Tank 13 Gallons30"L x 52"W x 5"HR-46H $339.99
14 Gallon Rv Holding Tank 14 Gallons33"L x 16"W x 8"HR-40H $169.99
14 Gallon Trionic Water / Holding Rectangle Tank 14 Gallons24"L x 14"W x 10"HTRI-WH-2014 $165.00
14 Gallon Trionic Water / Holding Rectangle Tank 14 Gallons20"L x 14"W x 11.75"HTRI-WH-2014-1 $165.00
Todd Marine 15 Gallon Water / Holding Tank #94-1627WH 15 Gallons25 in. L x 11 in. W x 15 in. H94-1627WH $115.99
15 Gallon Rv Holding Tank 15 Gallons40"L x 14"W x 8"HR-104H $239.99
15 Gallon Rv Holding Tank 15 Gallons33"L x 18"W x 8"HR-18H $199.99
15 Gallon Rv Holding Tank 15 Gallons92"L x 7"W x 16"HR-42H $289.99
15 Gallon Rv Holding Tank 15 Gallons30"L x 30"W x 5"HR-70H $269.99
15 Gallon Trionic Water / Holding Rectangle Tank 15 Gallons19"L x 18"W x 9.75"HTRI-WH-2015 $165.00
16 Gallon Rv Holding Tank 16 Gallons22"L x 36"W x 10"HR-29H $259.99
16 Gallon Rv Holding Tank 16 Gallons63"L x 10"W x 8"HR-57H $229.99
16 Gallon Rv Holding Tank 16 Gallons63"L x 10"W x 8"HR-58H $229.99
16 Gallon Rv Holding Tank 16 Gallons36"L x 17"W x 10"HR-7H $209.99
17 Gallon Rv Holding Tank 17 Gallons39"L x 21"W x 13"HR-2H $259.99
17 Gallon Rv Holding Tank 17 Gallons54"L x 15"W x 9"HR-94H $256.95
18 Gallon Rv Holding Tank 18 Gallons22"L x 23"W x 13"HR-12H $209.99
18 Gallon Rv Holding Tank 18 Gallons30"L x 24"W x 9"HR-69H $259.99
19 Gallon Rv Holding Tank 19 Gallons35"L x 23"W x 13"HR-16H $239.99
Todd Marine 20 Gallon Water / Holding Tank #85-1666WH 20 Gallons30 in. L x 16 in. W x 10 in. H85-1666WH $146.99
20 Gallon Rv Holding Tank 20 Gallons46"L x 10"W x 13"HR-102H $169.99
20 Gallon Rv Holding Tank 20 Gallons35"L x 23"W x 13"HR-13H $239.99
20 Gallon Rv Holding Tank 20 Gallons28"L x 23"W x 11"HR-1H $229.99
20 Gallon Rv Holding Tank 20 Gallons41"L x 30"W x 5"HR-24H $239.99
20 Gallon Rv Holding Tank 20 Gallons81"L x 11"W x 8"HR-43H $259.99
20 Gallon Rv Holding Tank 20 Gallons26"L x 20"W x 12"HR-65H $239.99
20 Gallon Rv Holding Tank 20 Gallons50"L x 14"W x 11"HR-77H $289.99
20 Gallon Trionic Water / Holding Rectangle Tank 20 Gallons24"L x 16"W x 12"HTRI-WH-2020 $212.00
20 Gallon Trionic Water / Holding Rectangle Tank 20 Gallons21"L x 17"W x 14"HTRI-WH-2020-1 $212.00
20 Gallon Trionic Water / Holding Rectangle Tank 20 Gallons28.25"L x 14.25"W x 11.5"HTRI-WH-2020-2 $212.00
20 Gallon Trionic Water / Holding Rectangle Tank 20 Gallons30"L x 25.5"W x 12"HTRI-WH-2020-B $270.00
21 Gallon Rv Holding Tank 21 Gallons22"L x 22"W x 12"HR-56H $239.99
21 Gallon Rv Holding Tank 21 Gallons80"L x 20"W x 5"HR-78H $319.99
22 Gallon Rv Holding Tank 22 Gallons34"L x 22"W x 12"HR-10H $269.99
22 Gallon Rv Holding Tank 22 Gallons53"L x 12"W x 13"HR-28H $259.99
22 Gallon Rv Holding Tank 22 Gallons36"L x 23"W x 8"HR-30H $269.99
22 Gallon Rv Holding Tank 22 Gallons83"L x 14"W x 7"HR-33H $259.99
22 Gallon Rv Holding Tank 22 Gallons30"L x 22"W x 14"HR-53H $259.99
22 Gallon Rv Holding Tank 22 Gallons36"L x 24"W x 10"HR-8H $272.99
22 Gallon Rv Holding Tank 22 Gallons56"H x 34"W x 9"HR-99H $287.95
24 Gallon Rv Holding Tank 24 Gallons36"L x 25"W x 11"HR-67H $319.99
Todd Marine 25 Gallon Water / Holding Tank #85-1532WH 25 Gallons37 in. L x 17.5 in. W x 10 in. H85-1532WH $167.99
25 Gallon Rv Holding Tank 25 Gallons37"L x 21"W x 12"HR-11H $289.99
25 Gallon Rv Holding Tank 25 Gallons50"L x 20"W x 9"HR-17H $239.99
25 Gallon Rv Holding Tank 25 Gallons42"L x 19"W x 13"HR-25H $259.99
25 Gallon Rv Holding Tank 25 Gallons37"L x 27"W x 10"HR-31H $289.99
25 Gallon Rv Holding Tank 25 Gallons74"L x 15"W x 9"HR-45H $269.99
25 Gallon Rv Holding Tank 25 Gallons32"L x 27" W x 9"HR-95H $247.95
25 Gallon Rv Holding Tank 25 Gallons55"L x 34"W x 7"HR-98H $339.95
25 Gallon Trionic Water / Holding Rectangle Tank 25 Gallons28.25"L x 16"W x 13"HTRI-WH-2025 $239.00
25 Gallon Trionic Water / Holding Rectangle Tank 25 Gallons60"L x 11"W x 9"HTRI-WH-2025-2 $239.00
26 Gallon Rv Holding Tank 26 Gallons41"L x 25"W x 9"HR-14H $289.99
26 Gallon Rv Holding Tank 26 Gallons28"L x 22"W x 12"HR-54H $229.99
26 Gallon Rv Holding Tank 26 Gallons25"L x 25"W x 12"HR-62H $239.99
27 Gallon Rv Holding Tank 27 Gallons43"L x 22"W x 12"HR-47H $289.99
27 Gallon Rv Holding Tank 27 Gallons30"L x 22"W x 13"HR-64H $259.99
27 Gallon Rv Holding Tank 27 Gallons38"L x 27"W x 9"HR-6H $309.99
27 Gallon Rv Holding Tank 27 Gallons38"L x 18"W x 12"HR-72H $259.99
28 Gallon Rv Holding Tank 28 Gallons53"L x 24"W x 9"HR-23H $289.99
29 Gallon Rv Holding Tank 29 Gallons29"L x 25"W x 13"HR-27H $259.99
30 Gallon Rv Holding Tank 30 Gallons39"L x 25"W x 12"HR-22H $309.99
30 Gallon Rv Holding Tank 30 Gallons46"L x 22"W x 9"HR-39H $309.99
30 Gallon Trionic Water / Holding Rectangle Tank 30 Gallons50"L x 20"W x 7"HTRI-WH-2030 $265.00
30 Gallon Trionic Water / Holding Rectangle Tank 30 Gallons42"L x 26"W x 7"HTRI-WH-2030-3 $265.00
30 Gallon Trionic Water / Holding Rectangle Tank 30 Gallons46"L x 13"W x 12"HTRI-WH-2030-4 $265.00
30 Gallon Trionic Water / Holding Rectangle Tank 30 Gallons36.188"L x 14.938"W x 14.5"HTRI-WH-2030-5 $265.00
31 Gallon Trionic Water / Holding Rectangle Tank 31 Gallons30"L x 20"W x 12"HTRI-WH-2031 $265.00
31 Gallon Trionic Water / Holding Rectangle Tank 31 Gallons33"L x 20"W x 11.5"HTRI-WH-2031-1 $265.00
32 Gallon Rv Holding Tank 32 Gallons36"L x 27"W x 13"HR-38H $319.99
33 Gallon Rv Holding Tank 33 Gallons36"L x 27"W x 13"HR-15H $319.99
33 Gallon Rv Holding Tank 33 Gallons46"L x 16"W x 13"HR-52H $269.99
33 Gallon Rv Holding Tank 33 Gallons56"L x 44"W x 8"HR-68H $399.99
33 Gallon Rv Holding Tank 33 Gallons36"L x 27"W x 13"HR-79H $319.99
34 Gallon Rv Holding Tank 34 Gallons63"L x 21"W x 9"HR-20H $319.99
34 Gallon Trionic Water / Holding Rectangle Tank 34 Gallons23"L x 20"W x 17"HTRI-WH-2034 $268.00
Todd Marine 35 Gallon Water / Holding Tank #85-1525WH 35 Gallons36 in. L x 15.5 in. W x 16 in. H85-1525WH $204.99
35 Gallon Rv Holding Tank 35 Gallons62"L x 31"W x 6"HR-101H $259.99
35 Gallon Rv Holding Tank 35 Gallons64"L x 32"W x 8"HR-3H $459.99
35 Gallon Rv Holding Tank 35 Gallons54"L x 25"W x 8"HR-4H $319.99
35 Gallon Rv Holding Tank 35 Gallons42"L x 24"W x 12"HR-90H $417.95
35 Gallon Rv Holding Tank 35 Gallons34"L x 24"W x 15"HR-93H $417.95
35 Gallon Trionic Water / Holding Rectangle Tank 35 Gallons48.75"L x 23"W x 8.5"HTRI-WH-2035-1 $268.00
36 Gallon Rv Holding Tank 36 Gallons35"L x 28"W x 16"HR-37H $339.99
36 Gallon Rv Holding Tank 36 Gallons35"L x 25"W x 13"HR-48H $269.99
36 Gallon Rv Holding Tank 36 Gallons52"L x 36"W x 12"HR-85H $339.95
36 Gallon Trionic Water / Holding Rectangle Tank 36 Gallons47"L x 15"W x 13"HTRI-WH-2036 $319.99
37 Gallon Rv Holding Tank 37 Gallons65"L x 20"W x 9"HR-66H $399.99
37 Gallon Rv Holding Tank 37 Gallons74"L x 20"W x 7"HR-73H $319.99
37 Gallon Trionic Water / Holding Rectangle Tank 37 Gallons38"L x 19"W x 12"HTRI-WH-2037 $299.00
37 Gallon Trionic Water / Holding Rectangle Tank 37 Gallons51.25"L x 20.5"W x 9.125"HTRI-WH-2037-1 $299.00
37 Gallon Trionic Water / Holding Rectangle Tank 37 Gallons63"L x 16"W x 9"HTRI-WH-2037-2 $299.00
39 Gallon Rv Holding Tank 39 Gallons46"L x 24"W x 10"HR-55H $319.99
39 Gallon Trionic Water / Holding Rectangle Tank 39 Gallons30"L x 21.75"W x 13.75"HTRI-WH-2039 $299.00
40 Gallon Rv Holding Tank 40 Gallons82"L x 25"W x 10"HR-103H $439.99
40 Gallon Rv Holding Tank 40 Gallons57"L x 19"W x 13"HR-5H $339.99
40 Gallon Rv Holding Tank 40 Gallons56"L x 20"W x 11"HR-71H $319.99
40 Gallon Rv Holding Tank 40 Gallons34"L x 24"W x 16"HR-84H $339.95
40 Gallon Trionic Water / Holding Rectangle Tank 40 Gallons40"L x 19.75"W x 12.75"HTRI-WH-2040 $312.00
40 Gallon Trionic Water / Holding Rectangle Tank 40 Gallons26"L x 24"W x 15"HTRI-WH-2040-2 $312.00
40 Gallon Trionic Water / Holding Rectangle Tank 40 Gallons25"L x 22"W x 18"HTRI-WH-2040-3 $312.00
40 Gallon Trionic Water / Holding Rectangle Tank 40 Gallons45"L x 19.75"W x 11.75"HTRI-WH-2040-4 $312.00
40 Gallon Trionic Water / Holding Rectangle Tank 40 Gallons32"L x 24"W x 14"HTRI-WH-2040-5 $312.00
40 Gallon Trionic Water / Holding Rectangle Tank 40 Gallons32"L x 38.75"W x 10.375"HTRI-WH-2040-B $349.00
41 Gallon Trionic Water / Holding Rectangle Tank 41 Gallons27"L x 20"W x 17"HTRI-WH-2041-2 $317.00
42 Gallon Rv Holding Tank 42 Gallons36"L x 20"W x 17"HR-106H $269.99
42 Gallon Rv Holding Tank 42 Gallons40"L x 25"W x 13"HR-21H $349.99
42 Gallon Rv Holding Tank 42 Gallons45"L x 25"W x 12"HR-61H $399.99
42 Gallon Rv Holding Tank 42 Gallons39"L x 17"W x 16"HR-74H $289.99
43 Gallon Rv Holding Tank 43 Gallons45"L x 26"W x 11"HR-88H $339.95
44 Gallon Rv Holding Tank 44 Gallons40"L x 20"W x 15"HR-96H $221.95
45 Gallon Rv Holding Tank 45 Gallons58"L x 28"W x 8"HR-105H $309.99
45 Gallon Rv Holding Tank 45 Gallons43"L x 22"W x 13"HR-75H $309.99
45 Gallon Rv Holding Tank 45 Gallons58"L x 20"W x 15"HR-83H $339.95
45 Gallon Rv Holding Tank 45 Gallons46"L x 34"W x 12"HR-87H $365.95
45 Gallon Trionic Water / Holding Rectangle Tank 45 Gallons27"L x 20"W x 20"HTRI-WH-2045 $332.00
45 Gallon Trionic Water / Holding Rectangle Tank 45 Gallons32"L x 22"W x 16"HTRI-WH-2045-1 $332.00
45 Gallon Trionic Water / Holding Rectangle Tank 45 Gallons39"L x 19.5"W x 14"HTRI-WH-2045-2 $332.00
46 Gallon Trionic Water / Holding Rectangle Tank 46 Gallons45"L x 25"W x 10.75"HTRI-WH-2046 $340.00
47 Gallon Rv Holding Tank 47 Gallons35"L x 39"W x 16"HR-97H $417.95
47 Gallon Trionic Water / Holding Rectangle Tank 47 Gallons61"L x 18"W x 10"HTRI-WH-2047 $363.00
48 Gallon Rv Holding Tank 48 Gallons48"L x 28"W x 13"HR-60H $339.99
48 Gallon Rv Holding Tank 48 Gallons60"L x 25"W x 11"HR-92H $417.95
50 Gallon Rv Holding Tank 50 Gallons70"L x 25"W x 12"HR-91H $417.95
50 Gallon Trionic Water / Holding Rectangle Tank 50 Gallons37"L x 29"W x 11.75"HTRI-WH-2050 $368.00
50 Gallon Trionic Water / Holding Rectangle Tank 50 Gallons57"L x 15.188"W x 14"HTRI-WH-2050-1 $368.00
50 Gallon Trionic Water / Holding Rectangle Tank 50 Gallons60.5"L x 18"W x 11.75"HTRI-WH-2050-2 $368.00
50 Gallon Trionic Water / Holding Rectangle Tank 50 Gallons58"L x 14.5"W x 13.5"HTRI-WH-2050-3 $368.00
50 Gallon Trionic Water / Holding Rectangle Tank 50 Gallons30"L x 20"W x 20"HTRI-WH-2050-4 $368.00
50 Gallon Trionic Water / Holding Rectangle Tank 50 Gallons54.5"L x 22.5"W x 10.25"HTRI-WH-2050-5 $368.00
51 Gallon Trionic Water / Holding Rectangle Tank 51 Gallons33"L x 24.5"W x 16"HTRI-WH-2051 $368.00
53 Gallon Rv Holding Tank 53 Gallons58"L x 27"W x 12"HR-89H $417.95
Todd Marine 55 Gallon Water / Holding Tank #85-1533WH 55 Gallons54.5 in. L x 13 in. W x 20 in. H85-1533WH $283.99
55 Gallon Trionic Water / Holding Rectangle Tank 55 Gallons40"L x 20"W x 16"HTRI-WH-2055 $368.00
55 Gallon Trionic Water / Holding Rectangle Tank 55 Gallons46"L x 28"W x 11"HTRI-WH-2055-1 $368.00
60 Gallon Rv Holding Tank 60 Gallons50"L x 33"W x 10"HR-82H $365.95
60 Gallon Trionic Water / Holding Rectangle Tank 60 Gallons54"L x 24"W x 12"HTRI-WH-2060-1 $396.00
60 Gallon Trionic Water / Holding Rectangle Tank 60 Gallons71"L x 18"W x 12"HTRI-WH-2060-2 $416.00
62 Gallon Rv Holding Tank (L-SHAPED) 62 Gallons57"L x 63"W x 10"HR-81H $456.95
65 Gallon Rv Holding Tank 65 Gallons52"L x 36"W x 12"HR-86H $456.95
68 Gallon Rv Holding Tank (S-SHAPED) 68 Gallons62"L x 55"W x 10"HR-80H $456.95
68 Gallon Trionic Water / Holding Rectangle Tank 68 Gallons43"L x 23"W x 16"HTRI-WH-2068 $439.00
68 Gallon Trionic Water / Holding Rectangle Tank 68 Gallons36"L x 23"W x 19"HTRI-WH-2068-1 $439.00
70 Gallon Trionic Water / Holding Rectangle Tank 70 Gallons51"L x 20"W x 16"HTRI-WH-2070 $439.00
70 Gallon Trionic Water / Holding Rectangle Tank 70 Gallons51"L x 23"W x 15"HTRI-WH-2070-1 $439.00
75 Gallon Trionic Water / Holding Rectangle Tank 75 Gallons73"L x 28"W x 10"HTRI-WH-2075 $439.00
75 Gallon Trionic Water / Holding Rectangle Tank 75 Gallons66"L x 22"W x 12.5"HTRI-WH-2075-1 $439.00
75 Gallon Trionic Water / Holding Rectangle Tank 75 Gallons54"L x 20.5"W x 17.25"HTRI-WH-2075-8 $439.00
79 Gallon Trionic Water / Holding Rectangle Tank 79 Gallons65.5"L x 22.5"W x 13.625"HTRI-WH-2079 $480.00
90 Gallon Trionic Water / Holding Rectangle Tank 90 Gallons67"L x 21"W x 15"HTRI-WH-2090 $495.00
95 Gallon Trionic Water / Holding Rectangle Tank 95 Gallons68.5"L x 22.5"W x 14.25"HTRI-WH-2095 $495.00
100 Gallon Trionic Water / Holding Rectangle Tank 100 Gallons46"L x 26"W x 20"HTRI-WH-2100 $510.00
100 Gallon Trionic Water / Holding Rectangle Tank 100 Gallons49"L x 34"W x 15.25"HTRI-WH-2100-2 $510.00
100 Gallon Trionic Water / Holding Rectangle Tank 100 Gallons44"L x 32.5"W x 18"HTRI-WH-2100-3 $510.00
100 Gallon Trionic Water / Holding Rectangle Tank 100 Gallons42"L x 24"W x 24"HTRI-WH-2100-4 $510.00
120 Gallon Trionic Water / Holding Rectangle Tank 120 Gallons61"L x 28"W x 16"HTRI-WH-2120-1 $570.00
130 Gallon Trionic Water / Holding Rectangle Tank 130 Gallons48"L x 36"W x 18"HTRI-WH-2130 $669.00
150 Gallon Trionic Water / Holding Rectangle Tank 150 Gallons64"L x 31.125"W x 18.75"HTRI-WH-2150 $690.00