Camco 35963 RV Water Heater Bypass Kit

The Camco 35963 RV Water Heater Bypass Kit is a permanent winterization fitting set described for 10-gallon RV water heater tanks. It routes antifreeze around the heater, with a short hose and valve handles marked to indicate flow position.

At a glance

Designed to route antifreeze around the water heater during RV winterization, reducing the amount sent through the tank.
The listing describes permanent installation to avoid repeated line disconnections during later winterizing sessions.
Valve handles have flow indicators for viewing the selected open or bypass position.

Price

$28.46Save 18%

Reference price: ~~$34.67~~

Price checked: Nov 14, 2026

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Often bought together

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Camco Camper/RV Water Heater By-Pass Kit - Designed to By-Pass Camper Water Heater During RV Winterizing - Features 8-Inch Nylon Reinforced Hose with 2 Brass Valves (35953)

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Pros and cons

Pros

The listed hose, two shutoff valves, and Teflon tape provide the main components for a bypass installation.
Visual flow indicators may make it easier to identify valve position during seasonal operation.

Technical specifications

10 specifications

Identity
Brand	Camco
Model	35963

Dimensions and installation
Dimensions listed	12 x 1.7 x 5.5 inches
Weight listed	15.5 ounces
Tank compatibility	10-gallon RV water heater tanks
Thread specification	1/2″-14 NPT tapered threads

Kit components and operation
Bypass hose	12″ crimp-proof bypass hose
Valves	(2) 3-way brass bypass valves with shutoff
Included sealing material	Teflon tape
Valve indicators	flow indicators

What to know before buying

Compatibility is stated for 10-gallon tanks with 1/2″-14 NPT tapered threads. Confirm these match the RV's heater connections before purchase. Installation is intended to be permanent and may require plumbing work.

Who is it for?

A good fit for

RV owners winterizing a setup with a compatible 10-gallon water heater.
Buyers seeking a permanently installed bypass to reduce repeated disconnections and antifreeze use around the heater.

Less suited to

Owners whose water heater size or connections do not match the stated compatibility.

Camco 35963 RV Water Heater Bypass Kit · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 126 ratings

5 stars67%67%
4 stars15%15%
3 stars6%6%
2 stars5%5%
1 star7%7%

Customer feedback describes the kit as cost-effective, including a report of saving time and money, but installation experiences are mixed and some customers report valve leakage. Those concerns matter because this is described as a permanent plumbing installation. The listed flow indicators may help identify handle position, but they do not address sealing or connection fit.

Positive themes

Customers describe the kit as cost-effective, with a customer noting time and money savings.

Negative themes

Some customers report leakage from the valves.

Mixed feedback

Installation feedback is mixed, with some finding it simple and others reporting difficulty.

Frequently asked questions

What tank size is this kit listed for?

The listing says it is designed for 10-gallon RV water heater tanks. It also specifies 1/2″-14 NPT tapered threads, so compare both details with your heater.

What comes with the kit?

The feature listing names one 12-inch bypass hose, two 3-way brass bypass valves with shutoff, and Teflon tape.

Does it stay installed between winterizing seasons?

The listing describes permanent installation, intended to avoid disconnecting lines each time. Check that the connection layout fits your RV before installing.

How do the valves indicate their position?

The valve handles are described as having flow indicators that show the open or bypass position.