What is the minimum order quantity (MOQ)?

MOQ starts from 50 - 100 pieces for most drain pumps, magnetrons and motor parts, and from 200 pieces for control boards and sensors. Mixed-model trial orders are accepted to help you test the market before scaling.

How long is the lead time?

Stock items ship in 3 - 7 days after payment confirmation. Made-to-order batches take 15 - 25 days depending on quantity and packaging requirements. Peak season (Aug - Oct) may add 5 - 7 days.

Do you support OEM packaging and labeling?

Yes. We provide neutral packaging, custom color boxes, your logo printing and barcode labeling. OEM packaging usually requires 500 - 1,000 pieces per model and 5 - 7 extra days for printing.

What warranty do you offer on spare parts?

Standard warranty is 12 months from shipment date for motors, magnetrons and control boards, and 6 months for consumable items such as carbon brushes and filters. Defective rate above the agreed threshold is replaced or credited in the next order.

Which shipping methods do you handle?

Express (DHL/FedEx/UPS) for samples and small parcels, air freight for urgent 50 - 300 kg orders, and sea LCL or FCL for wholesale volumes. We support FOB Shenzhen, FOB Ningbo and CIF terms, and can consolidate multiple categories into one container.

What are your payment terms?

T/T with 30% deposit and 70% balance before shipment is standard. PayPal and Western Union are accepted for sample orders. For repeat buyers we can discuss O/A terms after several successful shipments.

Are these original brand parts?

No. All items are compatible aftermarket replacement parts. Brand names such as Midea, Gree, Haier, Little Swan, LG, Samsung, Whirlpool and Panasonic are used only to describe fitment. All trademarks belong to their respective owners.

Can you match parts by OE number or photo?

Yes. Send the OE number, the nameplate photo of the appliance, or a photo of the old part with dimensions to sales88@ggatc.com or WhatsApp +86 181 5864 9251. Our team replies with matched models, price and availability within 24 hours.

Do you provide samples?

Samples are available. Sample cost is refundable against a bulk order above the agreed quantity. Buyer pays courier freight, or we add it to the sample invoice.

What documents can you provide for customs clearance?

Commercial invoice, packing list, bill of lading, certificate of origin (Form A / Form E where applicable) and CE or RoHS declarations for eligible items. Tell us your import requirements when confirming the order.

Selection Guide

Sensors and Thermostats Buying Guide: Selection Points, OE Cross Reference, MOQ and FOB Terms

How to buy NTC sensors, water level sensors, thermostats and thermal fuses: resistance curve matching, OE cross reference, MOQ policy and FOB pricing explained for importers.

2026-09-21 · 6 min read · GGATC Technical Team

Sensors and Thermostats Buying Guide: Selection Points, OE Cross Reference, MOQ and FOB Terms

Sensors and thermostats are tiny parts with outsized impact: a drifted NTC sensor throws off water temperature, and a weak thermal fuse causes repeat service calls. They are also among the highest reuse parts across brands. This guide explains how to match them and the trade terms that apply.

Selection Points for Sensors and Thermostats

Parameter	What to Check	Why It Matters
Resistance value	NTC 5K, 10K or 50K at 25 degreeC with B value such as B3435	Wrong curve misreads temperature by tens of degrees
Fuse temperature rating	For example 216 degreeC thermal fuse with current rating	Underrated fuses blow during normal cycles
Capillary length	Thermostat probe tube length in millimetres	Short capillaries cannot reach the sensing point
Pressure range	Water level sensor pressure rating and port size	Decides tank compatibility
Connector type	Spade, JST or bare leads with insulation class	Field installation speed and safety

NTC 10K B3435 sensors alone cover washing machines, refrigerators and water heaters across most brands, which makes them a priority one stocking item for any importer serving mixed repair demand.

OE Number Cross Reference Method

Read the sensor head marking or the harness tag for the resistance value and B value.
Measure probe diameter, capillary length and connector type.
For thermal fuses record the temperature and current rating stamped on the body.
For water level sensors note the pressure port diameter and electrical connector pin count.
Send the values and a photo, sensors are matched on curves and dimensions rather than brand.

MOQ and FOB Terms Explained

MOQ for sensors and thermostats is 300 to 500 pieces per model because unit values are low, with trial orders from 200 pieces and mixed models welcome in one carton. FOB, free on board, means the USD price includes goods, export clearance and loading at the China port, while freight and duties are on the buyer. Tiered reference prices for 1-4, 5-19 and 20+ pieces are published per product page and confirmed in writing on quotation.

Frequently Asked Questions

Question	Answer
Do NTC sensors interchange across brands?	Yes when resistance, B value and probe size match, which covers most household applications.
Are thermal fuses tested?	Calibration sampling is performed per batch, with 12 months warranty from shipment.
Can I bundle sensors with other categories?	Yes, sensors bundle well with heating element and motor part orders in mixed shipments.
What packaging is used?	Individual polybags with labels, retail blister and OEM boxes available from 500 pieces.

Conclusion: match sensors by resistance curve, B value, temperature rating and dimensions, and stock the high reuse families first. The sensors and thermostats category lists live stock with tiered FOB reference prices and MOQ, and matched quotations return within 24 hours via sales88@ggatc.com or WhatsApp +86 181 5864 9251.