We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

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"

BASO Replacement HVACR Pumps, Valves & Tubing. Specifications: Product Type: Pilot Assembly.

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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

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

BASO Replacement HVACR Pumps, Valves & Tubing. Specifications: Product Type: Pilot Assembly.

Frequently Asked Questions

What is the BASO Y90AA-4211 orifice used for?

The BASO Y90AA-4211 orifice is a pilot assembly component used in gas-fired heating systems to regulate gas flow for reliable ignition. It is commonly applied in commercial and industrial burners, furnaces, and boilers where precise pilot flame control is required.

What are the specifications of the BASO Y90AA-4211 orifice?

The BASO Y90AA-4211 is a pilot assembly orifice with a 0.01" diameter opening. Its manufacturer part number is Y90AA-4211. This component is designed for use in gas pilot systems to meter fuel flow, ensuring consistent flame characteristics in HVACR and combustion equipment.

Where to buy the BASO Y90AA-4211 orifice worldwide?

3G Electric supplies the BASO Y90AA-4211 orifice to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this pilot assembly orifice for your HVACR or combustion application.

How to install the BASO Y90AA-4211 pilot assembly orifice?

Install the BASO Y90AA-4211 orifice by first ensuring the gas supply is off. Remove the existing pilot assembly, insert the new orifice, and tighten to manufacturer torque specifications. Reconnect gas lines, check for leaks with soap solution, and verify pilot flame characteristics per system guidelines.

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