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Small rectangular HVAC limit switch with two terminals, manual reset button, beige plastic housing

Value Brand

Value Brand HVAC Control Manual Reset Opens 135°F

SKU CH-HB4J-8T9DS

Snap-disc limit switch opens at 135 °F with manual reset for 120–240 V HVAC circuits

  • Manual reset prevents automatic restart after overheat
  • Opens at 135 °F to cut power at critical temperature
  • Rated 15 A at 120 V for standard furnace circuits
  • Handles up to 10 A at 240 V for higher-voltage systems
  • SPST snap-disc action gives reliable open-on-rise switching

HVAC Limit Control Manual Reset

The Value Brand HVAC limit control is a snap-disc safety switch designed for heating and cooling equipment. It opens the circuit automatically when the temperature reaches 135 degrees Fahrenheit and requires a manual reset to restore operation. The single-pole single-throw device operates on voltages from 120 to 240 volts.

Installers Replacing Rollout Switches

This control suits technicians replacing a failed rollout or limit switch with identical temperature and electrical ratings. The manual reset function provides a deliberate restart after an over-temperature event. Installers who need an automatic reset or a different trip temperature must select another part.

Opens at 135 Degrees Fahrenheit

The decisive specification is the fixed 135 degree Fahrenheit opening temperature combined with manual reset action. The switch carries a voltage range of 120 to 240 volts and a current rating compatible with the listed values of 10, 15, and 1.5. Verify that the original equipment specifies exactly these limits before fitting.

Highlights

  • Manual reset prevents automatic restart after overheat
  • Opens at 135 °F to cut power at critical temperature
  • Rated 15 A at 120 V for standard furnace circuits
  • Handles up to 10 A at 240 V for higher-voltage systems
  • SPST snap-disc action gives reliable open-on-rise switching

Specifications

BrandZORO SELECT

Questions about this item

How much heat does the 135°F manual reset limit generate during continuous operation?

The snap-disc control is a passive thermal switch; it produces no heat of its own and simply opens the circuit when the sensed temperature reaches 135°F.

What wiring and voltage supply must already be in place for this SPST limit to function?

You need a 120–240 VAC circuit with two conductors for the SPST contacts; the control carries up to 10 A resistive or 15 A inductive at those voltages.

Will this 135°F rollout switch work with an older furnace that uses a 120 V gas valve circuit?

Yes, the switch is rated for 120–240 VAC and can interrupt a 120 V gas valve circuit up to its 10 A resistive or 15 A inductive limits.

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