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Brass nipple fitting with 1/2 inch NPT thread and 2-1/2 inch length
$4.99

Brass Nipple Fitting, 1/2 in. NPT x 2-1/2 in PLX-113-250

High-quality 1/2 inch NPT x 2-1/2 inch Brass Nipple Fitting (PLX-113-250) designed for reliable, leak-free pipe connections. Perfect for air, water...

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$4.99
Brass hex nipple pipe fitting with 1/2 inch male NPT threads on both ends
$15.00

Brass Pipe Fitting, Hex Nipple, 1/2" x 1/2" NPT Male Pipe

Premium 1/2 inch Close Nipple Brass Pipe Fitting with NPT male threads, engineered for secure and leak-free connections. Perfect for air, water, ga...

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$15.00
$60.92

Brush (Set) March, 809 High Speed

$60.92
Buck Boost Card Replacement Kit with fan side components and connectors.
$158.63

Buck Boost Card Replacement Kit Fan Side ELE-400-021

$158.63
$65.12

Buck Boost Replacement Kit

$65.12
Buehler C20 pump harness with adjustable straps and durable black material.
$97.01

Buehler C20 Pump Harness

$97.01
Buehler C20 pump retrofit kit for aqua-hot and hydro-hot circulation and pre-heat systems
Save $4.49
$229.99
$225.50

Buehler C20 Pump Retro Fit Kit 400/450 - PLE-100-905-FRU

These new style pumps are used on all new aqua-hot and hydro-hot systems. This can be used as a circulation pump, stir pump & engine pre-hea...

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$229.99
$225.50
Save $4.49
Metal pump bracket with mounting holes, designed for Buehler C21 model.
$14.99

Buehler C21 Pump Bracket PLX-100-836

$14.99
Buehler C21 Pump PLX-100-900 with a compact design and control panel for fluid transfer.
$152.90

Buehler C21 Pump PLX-100-900

$152.90
Buehler pump assembly with harness featuring a compact design and durable materials.
$166.82

Buehler Pump Assembly with Harness - PLE-100-901

$166.82
Clear, flexible Tygothane polyurethane tubing, 5/16 inch diameter, 7/16 inch outer diameter.
$6.76

BULK Tygothane®, Unbraided Polyurethane Tubing 100ft, 5/16 inch D, 7/16 inch OD (SOLD BY FOOT)

$6.76
A Burner Controller Card ELX-375-025 with various electronic components and connectors.
$246.45

Burner Controller Card for Aqua-Hot – ELX-375-025

OEM burner controller card (PCB) for Aqua-Hot RV hydronic heating systems. This board manages burner ignition sequencing, flame supervision, and sa...

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$246.45
Plastic threaded plug for pipe fittings, size 1/4 NPT, made of PE-HD material.
$0.45

Caplugs 99390174 Plastic Threaded Plug for Pipe Fittings. P-28, PE-HD, to Plug Thread Size 1/4 NPT",

$0.45
Plastic threaded pipe plug Caplugs P-48 in black, fits 1/2 inch NPT thread size.
$1.25

Caplugs 99390176 Plastic Threaded Plug for Pipe Fittings. P-48, PE-HD, to Plug Thread Size 1/2 NPT",

$1.25
Clear 5/8 inch diameter tube hose, measuring 4 feet in length, for overflow applications.
$15.28

Clear Tube Overflow Hose 5/8 inch x 4 foot

$15.28
Clear flexible tubing, 5/8 inch diameter, 6 feet long, suitable for various applications.
$20.26

Clear Tubing 5/8 inch x 6 foot

$20.26
Combustion chamber tube gasket designed for specific engine models and low emissions versions.
$9.53

Combustion Chamber Tube Gasket HDE-700-205

Combustion chamber tube gasket for Models 375, 400 and 525 and low emissions models AHE-450 AND 600D

$9.53
Half-inch crimp ring made of durable metal with a smooth, shiny finish.
$0.68

CONS 1/2 in Crimp Ring

The CONS 1/2 in Crimp Ring is designed for secure and reliable PEX pipe connections. Built for durability, it ensures a tight, long-lasting seal in...

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$0.68
CONS Nylatch Plunger model HDX-100-200 with black plastic body and metal pin.
$1.38

CONS Nylatch Plunger - HDX-100-200

$1.38
Constant tension hose clamp with a 1/2 inch diameter and metal construction
$1.00

Constant Tension Hose Clamp 1/2 inch CTB-12

$1.00
Metal constant tension hose clamp designed for 5/8-inch hoses.
$1.31

Constant Tension Hose Clamp for 5/8" Hose plx-ctb-15

The Constant Tension Hose Clamp for 5/8" Hose (PLX-CTB-15) provides reliable, self-adjusting tension for leak-free sealing in changing temperature ...

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$1.31
Metal constant tension hose clamp with a 7/8 inch diameter and adjustable design.
$4.85

Constant Tension Hose Clamp, 7/8 inch CTB-24ST

$4.85
$24.06

Control Panel Cable - 9m

$24.06
Black Cooper pump harness with adjustable straps and a sturdy metal buckle.
$13.65

Cooper Pump Harness

$13.65
Metal conversion bracket for Cooper to GRI Zone pump, model SME-850-850.
$24.30

Cooper to GRI Zone Pump Conversion Bracket SME-850-850

The Cooper to GRI Zone Pump Conversion Bracket SME-850-850 provides a secure and precise mounting solution when upgrading or converting zone pumps....

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$24.30
Black plastic grille measuring 3.5 by 15 inches with a simple rectangular design
$21.62

Cozy Grille 3.5 inches x 15 inches Black Plastic

$21.62
Black plastic Cozy Grille measuring 3.5 by 21.5 inches with a slatted design
$23.68

Cozy Grille 3.5 inches x 21.5 inches black plastic

$23.68
A rectangular grille measuring 3.5 inches by 8.5 inches in a cozy design.
$17.50

Cozy Grille 3.5 inches x 8.5 inches

$17.50
Tan metal grille measuring 10 inches by 2 inches with a sleek design.
$4.79

Cozy Grille, 10 in. x 2 in TAN, METAL EXX-950-411

$4.79
Cozy III Heat Exchanger with dual 12V DC fans and compact dimensions of 13.125x6.5x3.625 inches.
$162.68

Cozy III Heat Exchanger - EXE-103-0EX

BTU's: 8,200 | CFM: 68 | Amps: 0.5 Width: 13.125 | Height: 3.625 | Depth: 6.5 | Barb Size: 0.75 | Fan(s): Two-12V DC Radial" Item Attributes ...

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$162.68
Cozy plenum assembly with insulated panels and metal frame for HVAC systems
$254.58

Cozy Plenum Assembly

$254.58
$2,899.99

DBW 2010 12V BASIC HEATER

$2,899.99
A Diesel Photo-Eye Kit 250D with various photography accessories in a compact case.
$114.66

Diesel Photo-Eye Kit 250D

$114.66
Elbow swivel fitting with a 1/2 inch barb and 1/2 inch NPT connection.
$17.77

Elbow Swivel Fitting, 1/2 in. Barb x 1/2 in. NPT - PLX-000-755

The PLX-000-755 Elbow Swivel Fitting is engineered for reliable, leak-free performance in demanding plumbing and fluid transfer applications. Featu...

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$17.77
Electric heat element with 120 VAC voltage and 1650 watt power rating in metal casing
Save $16.89
$49.43
$32.54

Electric Heat Element 120 VAC / 1650 Watt ELX-2E7-540

$49.43
$32.54
Save $16.89
Electrode clamp assembly with durable metal construction and secure gripping mechanism.
$9.99

Electrode Clamp Assembly MTRV-279-560-971

$9.99

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