Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
BASO Y90AA-4211 Pilot Assembly Orifice, 0.01" - Replacement HVACR Pumps, Valves & Tubing
BASOReplacement HVACR Pumps, Valves & Tubing

BASO Y90AA-4211 Pilot Assembly Orifice, 0.01"

<p>The BASO Y90AA-4211 is a pilot assembly designed for HVACR systems, featuring a precise 0.01-inch orifice. This replacement part is essential for maintaining proper gas flow and ignition in heating equipment. It…

SKU 3G-OTH-83729

Also listed as: Y90AA4211 · Y90AA 4211

Brand
BASO
Item
Y90AA-4211 Pilot Assembly Orifice, 0.01"
Part Number
Y90AA-4211
Category
Replacement HVACR Pumps, Valves & Tubing
Available to Order
Also known as:Y90AA-4211BASO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BASO
Manufacturer Part Number
Y90AA-4211
Product Type
Pilot Assembly

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

BASO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

<p>The BASO Y90AA-4211 is a pilot assembly designed for HVACR systems, featuring a precise 0.01-inch orifice. This replacement part is essential for maintaining proper gas flow and ignition in heating equipment. It is commonly used in commercial and industrial burners, furnaces, and boilers where reliable pilot operation is critical.</p><p>As a Singapore-based supplier, 3G Electric offers this BASO pilot assembly with worldwide shipping. For procurement buyers in Singapore, we provide SGD quotes on request and handle GST for local purchases. Enjoy fast delivery across Singapore and Southeast Asia to minimize downtime.</p>

Frequently Asked Questions

What is the orifice size of the BASO Y90AA-4211 pilot assembly?

The BASO Y90AA-4211 has a 0.01-inch orifice.

Can I get a quote in SGD and is GST handled for Singapore orders?

Yes, 3G Electric provides SGD quotes on request and handles GST for Singapore buyers.

Used in

Common applications for BASO
Commercial boiler maintenance — BASO H15DA-3 gas valve replacement for modulating burner control
Industrial furnace pilot retrofit — BASO J999MHA-2 L-channel pilot burner for flame supervision
Water heater service — BASO H17CB-3 gas valve used in atmospheric gas-fired storage heaters
HVACR system repair — BASO C664AHA-1C intermittent pilot ignitor for rooftop unit ignition
Gas train rebuild — BASO Y70AA-1 valve grease applied during valve stem seal replacement
Pilot assembly upgrade — BASO J998MDA-2 No. 8 tip pilot burner for high-efficiency condensing boilers
Not sure this is the right part? Photo-identify it

BASO Products

3G Electric supplies BASO replacement hvacr pumps, valves & tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

More from BASO

View all BASO parts
The BASO H17CB-3 is a gas valve used in HVACR systems to control gas flow to burners. It provides safe shut-off and regulation of natural gas or propane for residential and light commercial heating equipment such as furnaces and boilers
BASO
The BASO H17CB-3 is a gas valve used in HVACR systems to control gas flow to burners. It provides safe shut-off and regulation of natural gas or propane for residential and light commercial heating equipment such as furnaces and boilers

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first