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Premium Marine Quality Parts

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Thetford 94296 Projected Male Spigot - 94296 - 363-94296 Superseded By: 865-94296F1

Thetford, Toilets & Toilet Parts
$8.29

Direct OEM ReplacementConstructed of ABS plasticImpact & Road Salt ResistantMade in USA

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Thetford 94302 Storage/Sewer Hose Hatch W/Thumb Lock, Polar White - 94302 - 363-94302 Superseded By: 865-94302F1

Thetford, Sewer & Drain
$55.99

Direct OEM ReplacementFade resistant, UV stable/colorfastReplaceable DoorBack plate accepts a 4" rigid PVC or flexible hose to create storage areaIncludes installation kitImpact & Road Salt ResistantCollar depth of PVC attachment 7/16"Cutout Dim: 4-3/4" x 5-7/8"NSF, CSA & TEI CertifiedPaintableMade in USA

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Thetford 94320 Coax Cable Tv Plate, 3.125" Dia., Polar White - 94320 - 363-94320 Superseded By: 865-94320F1

Thetford, Toilets & Toilet Parts
$13.29

Direct OEM ReplacementUV stable/colorfast1 GHz © Coax transfer powerIncludes installation kitImpact & Road Salt ResistantMade in USA

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Thetford 94321 Coax Cable Tv Plate, 3.125" Dia., Black - 94321 - 363-94321 Superseded By: 865-94321F1

Thetford, Toilets & Toilet Parts
$13.29

Direct OEM ReplacementUV stable/colorfast1 GHz © Coax transfer powerIncludes installation kitImpact & Road Salt ResistantMade in USA

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Thetford 94329 Deluxe Electrical Cable Hatch W/Back, White - 94329 - 363-94329 Superseded By: 865-94329F1

Thetford, Toilets & Toilet Parts
$12.99

Original Factory Parts/ Direct OEM ReplacementFade-resistant blackAccess door accepts both 30 and 50 Amp cordReplaces round hatches up to 4-1/2"Extra strength hinge for longer lifeIncludes installation kitImpact and road salt resistantMade in USA

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Thetford 96015 Premium Rv Black Streak & Bug Remover, 64 Oz. - 96015 - 363-96015F1

Thetford, Toilets & Toilet Parts
$19.99

Quickly and easily removes black streaks, bugs, and other tough soilsSafe on finishes, won't harm or fade decalsEasy-to-use, spray and wipe formula

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Thetford 96016 Premium Rubber Roof Cleaner & Conditioner, 64 Oz. - 96016 - 363-96016F1

Thetford, Toilets & Toilet Parts
$36.29

Deep cleans, conditions and protects in one quick, easy step!Non-petroleum formula that's tested safe!UV blocker so roof looks better longer.Removes oxidation, tree sap, bird droppings, and dirt buildup from rubber, fiberglass and aluminum roofs.

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Thetford 96017 Premium Rv Awning Cleaner, 64 Oz. - 96017 - 363-96017F1

Thetford, Toilets & Toilet Parts
$20.29

Removes mold and mildew stains, leaf stains, sap, bird droppings, bugs and more from fabric and vinyl awnings! UV blocker so awning looks better longer!Non-bleaching formula won't discolor or stain fabrics and surfaces.Easy to use

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Thetford 96079 Aqua-Kem Morning Sky Toss-In, 12 - 1.5 Oz. Packs, 2/Case - 96079 - 363-96079 Superseded By: 363-96631F1

Thetford, Toilets & Toilet Parts
$44.19

Holding tank deodorant in water soluble packs, conveniently pre-measured. Powerful odor control and superior waste digestion. Fresh pleasant scent. Specially formulated for RV and marine holding tanks and all portable toilets. Biodegradable. Septic tank safe.

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Thetford 96527 Tank Blaster™ Holding Tank Cleaner, 4/Pk - 96527 - 363-96527F1

Thetford, Tanks & Tank Parts
$16.49

The first 2-in-1 tank cleaner specifically formulated for black & grey water & portable tanks. Cleans Overnight - then just dump and goMicro-Foam™ Action improves surface contact to vertical tank wallsSuper-concentrated enzymes actively attack and break down loosened depositsSpecial additives tackle hard water deposits on sensorsFormulated safe for RV/Marine tanks, plumbing, seals and surfaces

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Thetford 96590 Aquabio™ Toss-In Pack Holding Tank Treatment, 1.5 Oz., 16/Pk - 96590 - 363-96590F1

Thetford, Tanks & Tank Parts
$21.99

Individual foil packets that contain powder. A Formaldehyde and Bronopal Free formula. Campground friendly and complies with California regulations. The quick-acting holding tank treatment eliminates odors while digesting waste and toilet paper to prevent clogging, all without any harsh chemicals. Proudly made in the USA, Thetford's AquaBio™ is formulated and tested safe for all RV toilets, holding tanks and septic systems. No FormaldehydeNo BronopalOdor Eliminator and Waste DigestorCalifornia CompliantFresh citrus scent

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Thetford 96591 Aquabio™ Toss-In Pack Holding Tank Treatment, 1.5 Oz., 30/Pk - 96591 - 363-96591 Superseded By: 363-96590F1

Thetford, Tanks & Tank Parts
$41.99

Individual foil packets that contain powder. A Formaldehyde and Bronopal Free formula. Campground friendly and complies with California regulations. The quick-acting holding tank treatment eliminates odors while digesting waste and toilet paper to prevent clogging, all without any harsh chemicals. Proudly made in the USA, Thetford's AquaBio™ is formulated and tested safe for all RV toilets, holding tanks and septic systems. No FormaldehydeNo BronopalOdor Eliminator and Waste DigestorCalifornia CompliantFresh citrus scent

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Thetford 96600 Aquabio™ Dri Pack Holding Tank Treatment, 2 Oz., 8/Pk - 96600 - 363-96600F1

Thetford, Tanks & Tank Parts
$17.29

Individual foil packets that contain powder. A Formaldehyde and Bronopal Free formula. Campground friendly and complies with California regulations. The quick-acting holding tank treatment eliminates odors while digesting waste and toilet paper to prevent clogging, all without any harsh chemicals. Proudly made in the USA, Thetford's AquaBio™ is formulated and tested safe for all RV toilets, holding tanks and septic systems. No FormaldehydeNo BronopalOdor Eliminator and Waste DigestorCalifornia CompliantFresh citrus scent

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Thetford 96604 Aquabio™ Holding Tank Treatment, 8 Oz., 6/Pk - 96604 - 363-96604F1

Thetford, Tanks & Tank Parts
$21.49

AquaBio™, a new twist on holding tank treatments, offers today's RVers a Formaldehyde and Bronopal Free formula. Thetford's next generation of holding tank solutions is campground friendly and complies with California regulations. The quick-acting holding tank treatment eliminates odors while digesting waste and toilet paper to prevent clogging, all without any harsh chemicals. Proudly made in the USA, Thetford's New AquaBio™ is formulated and tested safe for all RV toilets, holding tanks and septic systems. Formaldehyde Free/No FormaldehydeBronopal Free/No BronopalOdor Eliminator and Waste DigestorSeptic System SafeCampground FriendlyCalifornia CompliantFresh citrus scent

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Thetford 96607 Aquabio™ Holding Tank Treatment, 32 Oz. - 96607 - 363-96607F1

Thetford, Tanks & Tank Parts
$13.49

AquaBio™, a new twist on holding tank treatments, offers today's RVers a Formaldehyde and Bronopal Free formula. Thetford's next generation of holding tank solutions is campground friendly and complies with California regulations. The quick-acting holding tank treatment eliminates odors while digesting waste and toilet paper to prevent clogging, all without any harsh chemicals. Proudly made in the USA, Thetford's New AquaBio™ is formulated and tested safe for all RV toilets, holding tanks and septic systems. Formaldehyde Free/No FormaldehydeBronopal Free/No BronopalOdor Eliminator and Waste DigestorSeptic System SafeCampground FriendlyCalifornia CompliantFresh citrus scent

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Thetford 96610 Aquabio™ Holding Tank Treatment, 64 Oz. - 96610 - 363-96610F1

Thetford, Tanks & Tank Parts
$23.99

AquaBio™, a new twist on holding tank treatments, offers today's RVers a Formaldehyde and Bronopal Free formula. Thetford's next generation of holding tank solutions is campground friendly and complies with California regulations. The quick-acting holding tank treatment eliminates odors while digesting waste and toilet paper to prevent clogging, all without any harsh chemicals. Proudly made in the USA, Thetford's New AquaBio™ is formulated and tested safe for all RV toilets, holding tanks and septic systems. Formaldehyde Free/No FormaldehydeBronopal Free/No BronopalOdor Eliminator and Waste DigestorSeptic System SafeCampground FriendlyCalifornia CompliantFresh citrus scent

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Thetford 96614 Aquabio™ Holding Tank Treatment, 1 Gal. - 96614 - 363-96614F1

Thetford, Tanks & Tank Parts
$43.49

AquaBio™, a new twist on holding tank treatments, offers today's RVers a Formaldehyde and Bronopal Free formula. Thetford's next generation of holding tank solutions is campground friendly and complies with California regulations. The quick-acting holding tank treatment eliminates odors while digesting waste and toilet paper to prevent clogging, all without any harsh chemicals. Proudly made in the USA, Thetford's New AquaBio™ is formulated and tested safe for all RV toilets, holding tanks and septic systems. Formaldehyde Free/No FormaldehydeBronopal Free/No BronopalOdor Eliminator and Waste DigestorSeptic System SafeCampground FriendlyCalifornia CompliantFresh citrus scent

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Thetford 96631 Aquamax® Holding Tank Treatment, 16-Pack Toss-Ins®, Spring Showers Sent - 96631 - 363-96631F1

Thetford, Tanks & Tank Parts
$23.98

AquaMax®, the no Formaldehyde, no Bronopol holding tank treatment.AquaMax® Holding Tank Treatment's advanced enzyme powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging and tank residue, all at the same time. Thetford's beneficial probiotic treatments are Bronopol Free and Formaldehyde Free to provide campground friendly and California compliant solutions. Formaldehyde FreeBronopol FreeNeutralizes odorBreaks down waste to prevent clumping, clogging and tank residueEnzymes optimized for MAX performanceBeneficial probiotics; good bacteriaSeptic system safeCampground and Marina FriendlyCompliant with all current regulationsConvenient family of options; liquids, dry granules and Toss-Ins® One dose treats a 40-gallon holding tank

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Thetford 96632 Aquamax® Holding Tank Treatment, 30-Pack Toss-Ins®, Spring Showers Sent - 96632 - 363-96632 Superseded By: 363-96631F1

Thetford, Tanks & Tank Parts
$38.29

AquaMax®, the no Formaldehyde, no Bronopol holding tank treatment.AquaMax® Holding Tank Treatment's advanced enzyme powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging and tank residue, all at the same time. Thetford's beneficial probiotic treatments are Bronopol Free and Formaldehyde Free to provide campground friendly and California compliant solutions. Formaldehyde FreeBronopol FreeNeutralizes odorBreaks down waste to prevent clumping, clogging and tank residueEnzymes optimized for MAX performanceBeneficial probiotics; good bacteriaSeptic system safeCampground and Marina FriendlyCompliant with all current regulationsConvenient family of options; liquids, dry granules and Toss-Ins® One dose treats a 40-gallon holding tank

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Thetford 96633 Aquamax® Holding Tank Treatment, 8-Pack 2Oz Dry Packets, Spring Showers Sent - 96633 - 363-96633F1

Thetford, Tanks & Tank Parts
$19.81

AquaMax®, the no Formaldehyde, no Bronopol holding tank treatment.AquaMax® Holding Tank Treatment's advanced enzyme powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging and tank residue, all at the same time. Thetford's beneficial probiotic treatments are Bronopol Free and Formaldehyde Free to provide campground friendly and California compliant solutions. Formaldehyde FreeBronopol FreeNeutralizes odorBreaks down waste to prevent clumping, clogging and tank residueEnzymes optimized for MAX performanceBeneficial probiotics; good bacteriaSeptic system safeCampground and Marina FriendlyCompliant with all current regulationsConvenient family of options; liquids, dry granules and Toss-Ins® One dose treats a 40-gallon holding tank

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Thetford 96634 Aquamax® Holding Tank Treatment, 6-Pack 8Oz Liquid, Spring Showers Sent - 96634 - 363-96634F1

Thetford, Tanks & Tank Parts
$25.03

AquaMax®, the no Formaldehyde, no Bronopol holding tank treatment.AquaMax® Holding Tank Treatment's advanced enzyme powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging and tank residue, all at the same time. Thetford's beneficial probiotic treatments are Bronopol Free and Formaldehyde Free to provide campground friendly and California compliant solutions. Formaldehyde FreeBronopol FreeNeutralizes odorBreaks down waste to prevent clumping, clogging and tank residueEnzymes optimized for MAX performanceBeneficial probiotics; good bacteriaSeptic system safeCampground and Marina FriendlyCompliant with all current regulationsConvenient family of options; liquids, dry granules and Toss-Ins® One dose treats a 40-gallon holding tank

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Thetford 96635 Aquamax® Holding Tank Treatment, 32Oz Liquid, Spring Showers Sent - 96635 - 363-96635F1

Thetford, Tanks & Tank Parts
$16.68

AquaMax®, the no Formaldehyde, no Bronopol holding tank treatment.AquaMax® Holding Tank Treatment's advanced enzyme powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging and tank residue, all at the same time. Thetford's beneficial probiotic treatments are Bronopol Free and Formaldehyde Free to provide campground friendly and California compliant solutions. Formaldehyde FreeBronopol FreeNeutralizes odorBreaks down waste to prevent clumping, clogging and tank residueEnzymes optimized for MAX performanceBeneficial probiotics; good bacteriaSeptic system safeCampground and Marina FriendlyCompliant with all current regulationsConvenient family of options; liquids, dry granules and Toss-Ins® One dose treats a 40-gallon holding tank

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Thetford 96636 Aquamax® Holding Tank Treatment, 1/2 Gal. Liquid, Spring Showers Sent - 96636 - 363-96636F1

Thetford, Tanks & Tank Parts
$29.20

AquaMax®, the no Formaldehyde, no Bronopol holding tank treatment.AquaMax® Holding Tank Treatment's advanced enzyme powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging and tank residue, all at the same time. Thetford's beneficial probiotic treatments are Bronopol Free and Formaldehyde Free to provide campground friendly and California compliant solutions. Formaldehyde FreeBronopol FreeNeutralizes odorBreaks down waste to prevent clumping, clogging and tank residueEnzymes optimized for MAX performanceBeneficial probiotics; good bacteriaSeptic system safeCampground and Marina FriendlyCompliant with all current regulationsConvenient family of options; liquids, dry granules and Toss-Ins® One dose treats a 40-gallon holding tank

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Thetford 96637 Aquamax® Holding Tank Treatment, 1 Gal. Liquid, Spring Showers Sent - 96637 - 363-96637F1

Thetford, Tanks & Tank Parts
$49.99

AquaMax®, the no Formaldehyde, no Bronopol holding tank treatment.AquaMax® Holding Tank Treatment's advanced enzyme powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging and tank residue, all at the same time. Thetford's beneficial probiotic treatments are Bronopol Free and Formaldehyde Free to provide campground friendly and California compliant solutions. Formaldehyde FreeBronopol FreeNeutralizes odorBreaks down waste to prevent clumping, clogging and tank residueEnzymes optimized for MAX performanceBeneficial probiotics; good bacteriaSeptic system safeCampground and Marina FriendlyCompliant with all current regulationsConvenient family of options; liquids, dry granules and Toss-Ins® One dose treats a 40-gallon holding tank

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Thetford 96665 Aquamax® Holding Tank Treatment, 30-Pack Toss-Ins®, Summer Cypress Sent - 96665 - 363-96665 Superseded By: 363-96670F1

Thetford, Tanks & Tank Parts
$38.29

AquaMax®, the no Formaldehyde, no Bronopol holding tank treatment.AquaMax® Holding Tank Treatment's advanced enzyme powered formulas neutralize odors and accelerate waste digestion to prevent clumping, clogging and tank residue, all at the same time. Thetford's beneficial probiotic treatments are Bronopol Free and Formaldehyde Free to provide campground friendly and California compliant solutions. Formaldehyde FreeBronopol FreeNeutralizes odorBreaks down waste to prevent clumping, clogging and tank residueEnzymes optimized for MAX performanceBeneficial probiotics; good bacteriaSeptic system safeCampground and Marina FriendlyCompliant with all current regulationsConvenient family of options; liquids, dry granules and Toss-Ins® One dose treats a 40-gallon holding tank

Northern Marine Canada
Our products are shipped from Canada!
Parts Warehouse:
Toronto, Ontario, Canada
Head Office:
Kingston, Ontario

About Us

Northern Marine is a Canadian supplier of premium marine and RV parts and accessories from top industry brands. We focus on quality, accurate listings, and dependable fulfillment so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: get you the right parts, shipped fast, with straightforward service you can count on.