Skip to content

Home
Products
Insulated PEX
Ask ANY Question
Contact Us
Free Water Test

Welcome guest

Please login or register

Home
Products
Insulated PEX
Ask ANY Question
Contact Us
Free Water Test

L-4200

L 4200

Home
L-4200

Sort by

Sorted by:

Save $40.86
Liquid Armor Outdoor Boiler Water Treatment

Regular price ~~$136.20~~ Sale price $95.34
Save $6.62
End Cap 4” - Insulated PEX

Regular price ~~$22.07~~ Sale price $15.45
Save $5.88

Outdoor Boiler Door Seal Caulk High Temp Black

Regular price ~~$19.61~~ Sale price $13.73
Save $3.43
Insulated PEX 1” Non O2 Barrier – Heat Mizer Brand

Regular price ~~$11.42~~ Sale price To $7.99
Save $11.58

Creosote Remover 6-Pack Canisters

Regular price ~~$38.60~~ Sale price $27.02
Save $119.61
Circulation Pump - Powerful 1/6 hp

Regular price ~~$398.70~~ Sale price $279.09
Save $3.10
Outdoor Boiler Water Testing Sample Kit 2-Pack

Regular price ~~$12.37~~ Sale price $9.27
Save $2.70

Outdoor Boiler Filter O-Rings

Regular price ~~$9.01~~ Sale price $6.31
Save $122.59
Liquid Armor Water Treatment 4-Pack

Regular price ~~$408.63~~ Sale price $286.04
Save $3.97
Insulated PEX 1” O2 Barrier – Heat Mizer Brand

Regular price ~~$13.24~~ Sale price To $9.27
Save $191.05
Grundfos Circulation Pump - Brute 1/6hp

Regular price ~~$636.82~~ Sale price $445.77
Save $20.55

Outdoor Boiler Filter Cartridge Replacement

Regular price ~~$68.49~~ Sale price $47.94
Save $178.74
Circulation Pump Kit Standard 1/6 hp

Regular price ~~$595.80~~ Sale price $417.06
Save $18.01
Full Port Threaded Ball Valve 1 Inch x Swivel Pump Flange

Regular price ~~$60.03~~ Sale price $42.02
Save $183.83
Outdoor Boiler Filter Kit

Regular price ~~$612.77~~ Sale price $428.94
Save $1.73
PEX 1” Crimp x 1” NPT Brass Male

Regular price ~~$5.76~~ Sale price $4.03
Save $210.25
Outdoor Boiler Domestic Hot Water Kit

Regular price ~~$700.84~~ Sale price $490.59
Save $139.94
Outdoor Boiler Back of Boiler Fittings Kit

Regular price ~~$466.47~~ Sale price $326.53
Save $1.37
PEX 1” Crimp Brass 90 Elbow

Regular price ~~$4.57~~ Sale price $3.20
Save $39.75

Outdoor Boiler Filter Cover

Regular price ~~$132.51~~ Sale price $92.76
Save $69.99
Outdoor Boiler Fill Kit

Regular price ~~$233.30~~ Sale price $163.31
Save $38.04

Outdoor Boiler Wire Cleaning Brush – 8” x 84”

Regular price ~~$126.81~~ Sale price $88.77
Save $37.17

Outdoor Boiler Filter Top Hub

Regular price ~~$123.91~~ Sale price $86.74
Save $128.62
Outdoor Boiler Bypass Kit for Downdraft Furnace

Regular price ~~$428.73~~ Sale price $300.11
Save $181.84

Outdoor Boiler Spring Shutdown Kit

Regular price ~~$606.14~~ Sale price $424.30
Save $61.26
Liquid Armor Water Treatment 2-Pack

Regular price ~~$204.21~~ Sale price $142.95
Save $66.29
Chimney Extension Bracket - Heavy Duty Roof Brace Kit

Regular price ~~$220.97~~ Sale price $154.68
Save $5.05
Insulated PEX ULTRA 1” Non O2– Heat Mizer Brand

Regular price ~~$16.84~~ Sale price To $11.79

Showing 28 of 28 products

Filters

PEX Type
- End Caps (1)
- Non Oxygen Barrier (2)
- Oxygen Barrier (1)
PEX Size
- 1 (3)
Length: (feet)
- 50' (3)
- 75' (3)
- 100' (3)
- 125' (3)
- 150' (3)
- 175' (3)
- 200' (3)
- 250' (3)
- 500' (3)
- Per Foot (3)

Your one-stop shop for installation parts and maintenance supplies for outdoor boilers. Find everything you need to keep your heating system running smoothly and efficiently.

support@outdoorboiler.com

INFO & SUPPORT
INFO & SUPPORT
FAQ
FAQ
Free Handbooks
Free Handbooks

Let's connect...

© 2026 OutdoorBoiler.com. All rights reserved.

Powered by Pentwater Connect.

Payment methods

100% secure and protected payments

Your Cart

Item added to your cart [count] items added to your cart

Cart was successfully updated

Your Cart is empty
Let's fix that

Search our store

Popular Searches