Boiler Fittings

Boiler fittings face certain stresses that require the fittings to be high grade and good quality. Fittings come in many different levels of quality and the source must be evaluated very closely.

We at OutdoorBoiler.com have conducted extensive research into the quality control systems at our world renown fitting manufacturers. Accordingly, we know when to pay for extra high quality, and where to save money.

We are heating with firewood to SAVE money, after all…right?

But we want our boiler system to be strong and not fail. We want it robust, but not “gold-plated” so that it costs a fortune.

So leave it to the experts at OutdoorBoiler.com to identify only the Best Quality at the Best Value for your outdoor boiler system.

Boiler Fittings Products

Fittings - Outdoor Wood Boiler Use

31 products

31 products

Sale
Outdoor Boiler Back of Boiler Fittings Kit
$534.21 $334.20 Save $200.01
Sale
Full Port Threaded Ball Valve 1 Inch x Swivel Pump Flange
$42.97 $30.37 Save $12.60
Sale
PEX 1” Crimp x 1” NPT Brass Male
$12.98 $7.61 Save $5.37
Sale
Outdoor Boiler Domestic Hot Water Kit
$525.95 $434.41 Save $91.54
Sale
PEX 1” Crimp Brass 90 Elbow
$7.70 $5.88 Save $1.82
Sale
PAP 1” Comp x 1” NPT Brass Male
$23.99 $12.10 Save $11.89
Sale
PEX 1” Crimp x 1” Female Sweat
$7.92 $6.10 Save $1.82
Sale
Ball Valve 1” Full Port Threaded
$36.08 $22.85 Save $13.23
Sale
PEX 1” Crimp x 1” NPT Brass Female
$13.38 $7.70 Save $5.68
Sale
PEX Tubing 1” Red 100 ft Roll Non-O2 Barrier
$172.45 $121.95 Save $50.50
Sale
PEX 1” Crimp Brass Tee
$13.27 $7.53 Save $5.74
Sale
PAP 1” Comp Brass 90 Elbow
$28.95 $26.50 Save $2.45
Sale
PAP 1” Brass Coupling
$24.38 $18.76 Save $5.62
Sale
PAP 1” Comp x 1” Brass Sweat
$22.96 $17.13 Save $5.83
Sale
PEX 1” Crimp Brass Coupling
$5.54 $4.24 Save $1.30
Sale
PAP 1” Comp x 1” NPT Brass Female
$22.96 $17.13 Save $5.83
Sale
Hex Bushing 1-1/4” x 1” Brass
$14.75 $12.42 Save $2.33
Sale
Street Elbow 90 1” Brass
$28.02 $24.42 Save $3.60
Sale
PAP 1” Comp Brass Tee
$43.04 $32.12 Save $10.92
Sale
Outdoor Boiler Male Hose Adapter ¾”
$11.48 $9.49 Save $1.99
Sale
Ball Valve ¾” Full Port Threaded
$18.82 $12.49 Save $6.33
Sale
Close Nipple 1” Brass
$9.59 $5.37 Save $4.22
Sale
PEX 1” Crimp Copper Ring - (bag of 10)
$6.90 $5.99 Save $0.91
Sale
Street Elbow 45 1” Brass
$39.02 $19.92 Save $19.10
Sale
Hex Bushing 1-1/2” x 1” Brass
$17.08 $13.96 Save $3.12
Sale
PAP 1” Compression Fitting O-Rings 10-Pack
$19.95 $14.50 Save $5.45
Sale
Mixing Valve ¾” FNPT
$196.70 $175.68 Save $21.02
Sale
PEX Copper Crimp Ring (Bag of 25)
$18.49 $12.38 Save $6.11
Sale
PEX 1.25” Crimp Copper Ring - Bag of 10
$15.45 $9.15 Save $6.30
Sale
1 1/4" PEX x 1 1/4" Female Copper Sweat Adapter
$25.62 $18.17 Save $7.45
Sale
PEX 1-1/4″ Crimp x 1″ Male NPT Brass Adapter (Lead Free)
$6.08 $4.86 Save $1.22
Frequently Asked Questions

What is a boiler valve?

A boiler valve can be opened or closed to change the flow of boiler water. When open, boiler water will flow to the designated set of piping, and when closed, either the boiler water stops flowing, or at least flows in different directions. A universal law of hydronics is that water will always flow in the path of least resistance.

What is a boiler drain valve used for?

A boiler drain valve can be opened to allow boiler water to flush out completely, or at least partially to keep the boiler clean.

Are PEX fittings acceptable for boiler use?

PEX fittings are used in most outdoor boiler applications and are very acceptable. PEX fittings have a long history of success and high performance. PEX tubing does not handle high temperatures so steam systems are not designed with PEX.

"Which type of PEX fittings are best?"

Check the full article here: https://outdoorboiler.com/blogs/news/which-type-of-pex-fittings-are-best

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