Blue Sea Systems Waterproof Switch Boot (Clear) BSS-4135

Blue Sea Systems Waterproof Switch Boot (Clear) Part 4135

The Blue Sea Systems 4135 clear waterproof boot protects push-button reset circuit breakers from moisture, salt air, and accidental contact. It installs in place of the breaker’s standard mounting nut, so protection goes on without rewiring the panel, and the UV-resistant material resists discolouration and cracking season after season.

Part Details

• Part number: 4135 (SKU BSS-4135)
• Brand: Blue Sea Systems
• Product type: Waterproof switch boot
• Colour: Clear
• Installation: Replaces the standard mounting nut on push-button reset thermal circuit breakers
• Material: UV-resistant, resists discolouration and cracking
• Condition: New

Compatible Applications

• Push-button reset circuit breakers that use a standard mounting nut
• Thermal circuit breakers on marine electrical panels
• If you are matching this boot to a specific breaker, confirm the breaker’s style and mounting arrangement before ordering

Key Features

• Clear boot helps shield the breaker from moisture and accidental contact
• Installs in place of the standard mounting nut, with no rewiring required
• UV-resistant material resists discolouration and cracking
• Keeps the breaker button visible through the boot

Technical FAQ

Which breakers does this boot fit?
It replaces the standard mounting nut on push-button reset thermal circuit breakers. Confirm that your breaker uses a standard mounting nut before ordering.

Does installation require rewiring?
No. The boot replaces the breaker’s standard mounting nut, so the breaker and its wiring stay as they are.

What colour is the boot?
Clear. A white version, part 4136, is also available in the store.

Related Products

• Blue Sea Systems Waterproof Switch Boot, White (4136) the white version of this boot
• Blue Sea Systems Waterproof Boot for Push-Button Circuit Breakers (4137) a boot designed for push-button breakers
• Blue Sea Systems Push Button Reset Breaker, 20A (2139)
• Blue Sea Systems Push Button Reset Breaker, 30A (2140)
• Blue Sea Systems Push Button Reset Breaker, 40A (2141)
• Blue Sea Systems Push Button Reset Breaker, 50A (2142)
• Manufacturer product page for part 4135

Parts Desk Insights

• Best use case: Protecting a push-button reset circuit breaker from moisture, salt air, and accidental switching on a boat that is exposed to weather.
• Most common customer mistake: Ordering the boot for a breaker style it does not fit. This boot replaces the standard mounting nut on thermal push-button reset breakers only, so confirm the breaker’s style and mounting before ordering.
• Sizing and fitment guidance: Check that your breaker is a thermal push-button reset unit secured with a standard mounting nut. If the breaker uses a different mounting arrangement, this boot will not seat correctly.