
Rectorseal N4143 1 Pole Contactor 30A 24V Coil HVAC A/C Relay
Part/SKU: N4143
| Weight | 60 lbs |
|---|---|
| Dimensions | 24 × 18 × 16 in |
$6,020.00
In stock — available to order.
Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.
Available to order.
Enter the total quantity you need. We will confirm availability and a quote before you order.
Request this quantity →Need a firm ship date? Availability may include supplier stock. Confirm availability before ordering for time-sensitive work.
Blackmer 812441 NORD Gear Box for GNX3 Propane Pump – 3.42 Ratio, 250TC
The Blackmer 812441 NORD Gear Box is a genuine OEM speed reducer designed specifically for Blackmer GNX3 propane and LP gas pump systems. This gearbox delivers a 3.42:1 reduction ratio, producing a consistent 526 RPM output, ideal for bulk plant and high-capacity propane transfer operations.
Built with a rugged cast iron housing and precision-machined steel gears, this gearbox is engineered for continuous-duty propane service and long-term reliability in demanding environments.
Genuine Blackmer OEM NORD gearbox
Designed for GNX3 propane pump applications
3.42:1 gear reduction ratio
250TC motor frame size compatibility
Produces 526 RPM output
Ideal for bulk plants, terminals, and commercial propane installations
Built for durability, alignment accuracy, and reduced vibration
Pairs with Blackmer GNX3 pumps, electric motors, and associated pump mounting hardware.
| Part / SKU | 812441 |
|---|
Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.
Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.
For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.
Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.
Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.
More products in this category. Compare specifications and fit for your application.

Part/SKU: N4143

Part/SKU: TFM210-10

Part/SKU: 5AZES03376

Part/SKU: MFG# 7M3