Caps & Plugs Plumbing Fittings
Our digital control system parts cover everything from circuit boards and topside controls to sensors, transformers, and wiring components for hot tubs and spas. Compatible with all major control brands including Balboa, Gecko, Hydro-Quip, and more. We offer competitive international shipping rates to buyers worldwide.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Brass Threaded Plug for Spa Heater Tube - 1/8" MPT Fitting
HTPOFAmerica
MSRP: $7.98$4.98This brass plug features 1/8" MPT (Male Pipe Thread) threading designed to seal 1/8" MPT openings typically located on spa heater tubes. The threaded opening matches standard pressure switch port dimensions, measuring approximately 3/8" in diameter...MSRP: $7.98$4.98 -
MSRP: $2.77$2.16 -
Stainless Steel Spa Heater Tube Plug 1/8" MPT Thread Hole Blocker
Generic
$4.99Premium stainless steel plug designed to seal 1/8" MPT (Male Pipe Thread) openings commonly located on spa heater tubes. This threaded plug fits holes approximately 3/8" in diameter - the same dimension as standard pressure switch openings found in hot...$4.99 -
MSRP: $3.43$2.67 -
MSRP: $5.26$4.09 -
3/8" Inside Diameter Tube Barb Plug - Spigot Style Insert Fitting
Waterway Plastics
$4.75This spigot-style barb plug is designed to seal off 3/8" inside diameter tubing from the interior. The fitting inserts directly into the hose and can be permanently secured with adhesive for a watertight seal. Global carries an extensive selection of...$4.75 -
PVC Spigot Plug 1/2 Inch - 3/4" OD Hot Tub Manifold Cap
Hot Tub Parts or America
MSRP: $3.17$2.49This PVC cap is designed to seal 1/2" spigot connections on hot tub and spa plumbing systems. With an outer diameter of 3/4", this plug fits perfectly into 1/2" ports that have a 3/4" inner diameter, commonly found on manifolds and various plumbing...MSRP: $3.17$2.49 -
3/4" Spigot Plug - 1" OD for Manifold & Fittings
Hot Tub Parts or America
MSRP: $3.49$2.69This 3/4" spigot plug features a 1" outer diameter and is designed to seal off 3/4" ports with a 1" inner diameter. Ideal for use on manifolds and various spa fittings when you need to cap off unused ports in your hot tub plumbing system.The plug...MSRP: $3.49$2.69 -
1 Inch Spigot Plug - 1 5/16 Inch OD - PVC Street Fitting for Manifolds
HTPOFAmerica
MSRP: $3.99$2.99This PVC spigot plug features a 1 5/16" outer diameter designed to seal 1" ports with a 1 5/16" inner diameter. Perfect for capping manifold openings and other plumbing connections in your hot tub or spa system.PVC Pipe Fitting Type ...MSRP: $3.99$2.99 -
2 Inch Slip Cap - PVC Plumbing Fitting for Hot Tub Spa
HTPOFAmerica
$3.99This PVC slip cap features a 2 3/8" ID glue surface designed for secure attachment. Install by gluing onto any 2" fitting with a 2 3/8" OD measurement for a watertight seal in your spa plumbing system. PVC Pipe Fitting TypeCapFirst Plumbing...$3.99 -
2" Street Spigot Plug for Spa Plumbing (2 3/8" OD)
Hot Tub Parts or America
MSRP: $6.99$5.99This street spigot plug is designed to seal off 2" slip fitting openings in your spa's plumbing system, including manifold ends and tee connections.Compatible with fittings measuring 2 3/8" inner diameter. This plug features a 2 3/8" outer diameter for a...MSRP: $6.99$5.99 -
_LG__75475__91179.1630829145.jpg?c=2 "Waterway Shur-Grip 3/4\" Manifold Port Plug - Hot Tub Manifold Cap")
Waterway Shur-Grip 3/4" Manifold Port Plug - Hot Tub Manifold Cap
Waterway Plastics
MSRP: $3.09$2.40This genuine Waterway Shur-Grip plug caps off unused 3/4" ports on Waterway brand manifolds. Perfect for customizing manifold configurations - for instance, convert a 6-port manifold into a 5-port setup by sealing one opening. Designed exclusively for...MSRP: $3.09$2.40