Tee, Reducing, 3/4″sb x3/4″sb x 3/8″sb|413-1850

🔧 What this part is

Waterway Plastics Tee, Reducing, 3/4"sb x3/4"sb x 3/8"sb, part number 413-1850. A plumbing fitting for spa and pool pipework; the sizes and thread types have to match what is already in the pipe run.

Size as listed: 3/4" x 4" x 3/8".

✅ Check before you order

• Measure the part you are replacing – this one is listed as 3/4" x 4" x 3/8".
• The number on the old part should read 413-1850, or the maker’s equivalent.
• Not sure? Send us a photo of the old part and any number on it, and we will tell you whether this is the one.

🔧 Parts and fittings for this

	Part	Our part number	Availability	Price
	Tee, Reducing, 1-1/2" Slip x 1-1/2" Slip x 2" Slip	401-213	28 in stock	$12.91	Add to cart
	Reducing Tee	401-248	50 in stock	$8.87	Add to cart
	Lasco Fitting 402-247	402-247	34 in stock	$12.75	Add to cart
	Tee, Reducing, 2" Slip x 2" Slip x 1" Female Pipe Thread	402-249	51 in stock	$6.29	Add to cart
	Tee, Reducing, 1-1/2"s x 1-1/2"s x 1"fpt	402-211	36 in stock	$11.04	Add to cart
	Tee, 2" Slip x 2" Slip x 1" Slip	401-249	102 in stock	$8.87	Add to cart
	Lasco Fitting 401-211	401-211	49 in stock	$9.01	Add to cart
	Tee, Reducer, 1-1/2"s x 1-1/2"s x 1/2"fpt	402-209	147 in stock	$8.56	Add to cart