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Amana-Goodman B1370195 Primary Limit Switch L300-30F

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Special Price $15.93 Regular Price $20.71
In stock
SKU
B1370195
The Amana-Goodman B1370195 Primary Limit Switch is a furnace safety component calibrated to open at 300F with a 30 differential for temperature control applications. It is positioned within the heating assembly to monitor internal heat conditions and regulate electrical continuity when elevated temperatures are detected. This switch is regularly used in gas-fired furnaces and heating equipment installed in residential and commercial conditions. Within HVAC systems, it operates as part of the temperature protection circuit by supervising heat buildup near essential furnace sections assisting with controlled heating operation, air flow monitoring, and system shutdown response during high-temperature conditions.
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Limit Switches, HVAC Controls & Electrical
Manufacturer:
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Manufacturer Name: Amana-Goodman
Product Number: B1370195
OEM Part Number: B1370195
Product Description: Primary Limit Switch,L300-30F
Weight:0.06lbs/27.22g

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Product Questions (2)
Customer Questions
What maintenance is required for the Amana-Goodman B1370195 Primary Limit Switch?

The primary limit switch should be inspected for dust buildup, corrosion, and secure mounting. Clean contacts gently and ensure proper wiring connections. Regular checks maintains accurate temperature control and prevent overheating or system shutdown safety issues.

What are common issues with the Amana-Goodman B1370195 Primary Limit Switch?

  • Contacts wear or oxidation causing intermittent switching.
  • Loose mounting leading to false shutdown signals.
  • Wiring or connector faults causing no response or open circuit.
  • Overheating conditions causing frequent or premature tripping.

Installation Steps

Step 1: Turn off power at breaker and ensure furnace is completely cool for safety.

Step 2: Remove access panel and carefully locate the existing primary limit switch inside unit.

Step 3: Disconnect wiring, noting terminal positions carefully to ensure correct reconnection later.

Step 4: Unscrew old switch and replace with new unit securely.

Step 5: Reconnect wires securely to matching terminals as previously noted.

Step 6: Reinstall panel, restore power, and test furnace operation and safety cutoff.