What are the specs for this Switch?

The correct replacement for Payne model Model PH12NA01800GAGAA is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Payne equipment which lists the model number Model PH12NA01800GAGAA.

What symptoms indicate I need a new switch?

Common symptoms that indicate you need a new switch include unusual noises, intermittent operation, complete failure to operate, or visible damage. For specific diagnostic guidance, visit nationalhvacparts.com/pages/hvac-diagnostic.

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Payne

Payne Low Press.Switch Use With Item 37a 312926-206 for Model PH12NA01800GAGAA

Name: Payne Low Press.Switch Use With Item 37a 312926-206 for Model PH12NA01800GAGAA
Brand: Payne
SKU: PAYNE-PH12NA01800GAGAA-312926-206
Price: 54.95 USD
Availability: InStock

SKU: PAYNE-PH12NA01800GAGAA-312926-206 Brand: Payne

$54.95

Market price $64.64

SAVE $9.69 (15%) vs market

Genuine Payne OEM part · Guaranteed to fit your unit

✓ Guaranteed to fit PH12NA01800GAGAA — or your money back. Terms

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Texas CMBL #19328542014

SAM.gov Registered

Govt POs Accepted

This is the exact Payne part 312926-206 installed at the factory in the PH12NA01800GAGAA — not a will-fit substitute. Fitment guaranteed — free returns if it doesn't fit.

Specifications

Type	low-pressure switch
Setpoint	7/22 PSI
Reset	Auto
Action	Opens on fall
Pcfg	SPST
Xref	HK02ZB038; 312926-205; 301326-101; PS80-02-F0074
Amperage	37A
Amperage	37A
OEM Part Number	312926-206
Brand	Payne
Condition	New — genuine OEM

Symptoms of a failing switch

Watch for: The unit fails to complete its normal cycle, visible wear, corrosion, or heat damage on the part, intermittent operation that worsens. Catching it early protects the components around it.

Replacement guide

Swap the part, torque fasteners evenly, and route wires away from hot or moving surfaces. Run a complete cycle and verify normal operation before closing the panel.

FAQ

Is this the exact OEM part for my PH12NA01800GAGAA? Yes — verified factory fitment for that model.

Not sure of your model? Chat with Mike with the number from your unit's nameplate and we'll confirm before you order.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $99
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

Payne Low Press.Switch Use With ...

$54.95

Frequently Asked Questions

Does this Switch fit my Payne Model PH12NA01800GAGAA?

Yes. This is the factory-specified OEM switch for the Payne Model PH12NA01800GAGAA. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the switch on my Payne Model PH12NA01800GAGAA?

Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.

What symptoms mean I need a new switch?

Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.

Is this switch compatible with Bryant or Payne too?

Many Payne parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my Payne switch?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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