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

WEIL MCLAIN Pilot Burner: Mfr Part # 511-330-221 - Replacement HVACR Controls, Switches & Thermostats
WEIL MCLAINReplacement HVACR Controls, Switches & Thermostats

WEIL MCLAIN Pilot Burner: Mfr Part # 511-330-221

SKU 3G-OTH-80689

Brand
WEIL MCLAIN
Item
Pilot Burner: Mfr Part # 511-330-221
Category
Replacement HVACR Controls, Switches & Thermostats
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

WEIL MCLAIN
Manufacturer Part Number
511-330-221
Product Type
Pilot Burner
View Full Spec Sheet

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

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

Frequently Asked Questions

What is the WEIL MCLAIN 511-330-221 pilot burner used for?

The WEIL MCLAIN 511-330-221 pilot burner is a replacement component for gas-fired boilers and heating systems. It provides a stable flame to ignite the main burner, ensuring reliable startup and safe operation in residential and commercial HVAC applications.

What are the specifications of the WEIL MCLAIN 511-330-221 pilot burner?

The WEIL MCLAIN 511-330-221 is a pilot burner with manufacturer part number 511-330-221. It is designed as a direct replacement for compatible WEIL MCLAIN boiler models. For exact fitment and gas-type compatibility, consult the unit's service manual or contact 3G Electric.

Where to buy the WEIL MCLAIN 511-330-221 pilot burner worldwide?

3G Electric supplies the WEIL MCLAIN 511-330-221 pilot burner to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the WEIL MCLAIN 511-330-221 pilot burner?

Installation of the WEIL MCLAIN 511-330-221 pilot burner requires shutting off gas and power, removing the old burner, and mounting the replacement with proper alignment. Ensure the thermocouple or flame sensor is correctly positioned. Always follow the boiler manufacturer's instructions and local codes.

Used in

Common applications for WEIL MCLAIN
Residential boiler maintenance — Weil-McLain maintenance kit (MPN 383-500-620) for annual gasket replacement
Commercial hydronic heating — Weil-McLain condensate neutralizer (MPN 383-500-631) for condensing boiler systems
Boiler safety system repair — Weil-McLain rollout thermal fuse element (MPN 512-050-230) for flame rollout protection
Ignition system replacement — Weil-McLain ignitor (MPN 383-500-045) for flame sensing in gas boilers
Ventilation system troubleshooting — Weil-McLain air pressure switch (MPN 511-624-521) for draft monitoring
Control circuit upgrade — Weil-McLain transformer (MPN 510-312-167) for low-voltage power supply

WEIL MCLAIN Products

3G Electric supplies WEIL MCLAIN replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
WEIL MCLAIN Ignitor with Gasket: Mfr Part # 511-330-148. Key specifications — Manufacturer Part Number: 511-330-148; Product Type: Igniter with Gasket.
WEIL MCLAIN
WEIL MCLAIN Ignitor with Gasket: Mfr Part # 511-330-148. Key specifications — Manufacturer Part Number: 511-330-148; Product Type: Igniter with Gasket.
WEIL MCLAIN Regular Burner: Mfr Part # 512-200-050. Key specifications — Manufacturer Part Number: 512-200-050; Product Type: Inshot Burner.
WEIL MCLAIN
WEIL MCLAIN Regular Burner: Mfr Part # 512-200-050. Key specifications — Manufacturer Part Number: 512-200-050; Product Type: Inshot Burner.
WEIL MCLAIN Ignition Control Board: Mfr Part # 511-330-097. Key specifications — Manufacturer Part Number: 511-330-097; Product Type: Ignition Control Board.
WEIL MCLAIN
WEIL MCLAIN Ignition Control Board: Mfr Part # 511-330-097. Key specifications — Manufacturer Part Number: 511-330-097; Product Type: Ignition Control Board.
WEIL MCLAIN Limit Switch: Mfr Part # 510-312-250. Key specifications — Manufacturer Part Number: 510-312-250; Product Type: Temperature Control.
WEIL MCLAIN
WEIL MCLAIN Limit Switch: Mfr Part # 510-312-250. Key specifications — Manufacturer Part Number: 510-312-250; Product Type: Temperature Control.
WEIL MCLAIN Integrated Boiler Control Kit: Mfr Part # 382-200-448. Key specifications — Manufacturer Part Number: 382-200-448; Product Type: Integrated Boiler Control Assembly.
WEIL MCLAIN
WEIL MCLAIN Integrated Boiler Control Kit: Mfr Part # 382-200-448. Key specifications — Manufacturer Part Number: 382-200-448; Product Type: Integrated Boiler Control Assembly.

More from WEIL MCLAIN

View all WEIL MCLAIN parts
WEIL MCLAIN Pilot Assembly, Natural Gas: Mfr Part # 511-330-218. Key specifications — Manufacturer Part Number: 511-330-218; Product Type: Pilot Assembly.
WEIL MCLAIN
WEIL MCLAIN Pilot Assembly, Natural Gas: Mfr Part # 511-330-218. Key specifications — Manufacturer Part Number: 511-330-218; Product Type: Pilot Assembly.
WEIL MCLAIN Maintenance Kit: Mfr Part # 383-500-620. Key specifications — Manufacturer Part Number: 383-500-620; Product Type: Maintenance Kit.
WEIL MCLAIN
WEIL MCLAIN Maintenance Kit: Mfr Part # 383-500-620. Key specifications — Manufacturer Part Number: 383-500-620; Product Type: Maintenance Kit.
WEIL MCLAIN Ignitor: Mfr Part # 383-500-045. Key specifications — Manufacturer Part Number: 383-500-045; Product Type: Flame Sensor.
WEIL MCLAIN
WEIL MCLAIN Ignitor: Mfr Part # 383-500-045. Key specifications — Manufacturer Part Number: 383-500-045; Product Type: Flame Sensor.
WEIL MCLAIN Transformer: Mfr Part # 510-312-166. Key specifications — Manufacturer Part Number: 510-312-166; Product Type: Transformer.
WEIL MCLAIN
WEIL MCLAIN Transformer: Mfr Part # 510-312-166. Key specifications — Manufacturer Part Number: 510-312-166; Product Type: Transformer.
WEIL MCLAIN Air Pressure Switch: Mfr Part # 511-624-521. Key specifications — Manufacturer Part Number: 511-624-521; Product Type: Air Pressure Switch.
WEIL MCLAIN
WEIL MCLAIN Air Pressure Switch: Mfr Part # 511-624-521. Key specifications — Manufacturer Part Number: 511-624-521; Product Type: Air Pressure Switch.
WEIL MCLAIN Rollout Thermal Fuse Element: Mfr Part # 512-050-230. Key specifications — Manufacturer Part Number: 512-050-230; Product Type: Rollout Thermal Fuse Element.
WEIL MCLAIN
WEIL MCLAIN Rollout Thermal Fuse Element: Mfr Part # 512-050-230. Key specifications — Manufacturer Part Number: 512-050-230; Product Type: Rollout Thermal Fuse Element.
WEIL MCLAIN Transformer: Mfr Part # 510-312-167. Key specifications — Manufacturer Part Number: 510-312-167; Product Type: Transformer.
WEIL MCLAIN
WEIL MCLAIN Transformer: Mfr Part # 510-312-167. Key specifications — Manufacturer Part Number: 510-312-167; Product Type: Transformer.
WEIL MCLAIN Burner: Mfr Part # 512-200-077. Key specifications — Manufacturer Part Number: 512-200-077; Product Type: Inshot Burner.
WEIL MCLAIN
WEIL MCLAIN Burner: Mfr Part # 512-200-077. Key specifications — Manufacturer Part Number: 512-200-077; Product Type: Inshot Burner.