Pressure Switches
Hot tub pressure switches protect your spa heater by confirming adequate water flow before allowing the heater to activate. Our replacement pressure switches are compatible with most spa control systems and prevent costly dry-fire heater damage. We offer competitive international shipping rates to buyers worldwide.
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Tecmark 4000 Series 21A Pressure Switch 1/8" MPT SPNO Plastic Housing - Universal Hot Tub Heater
Tecmark
MSRP: $46.97$36.97The Tecmark 4000 Series 21A Pressure Switch delivers reliable heater activation control for spa systems. Constructed with durable plastic housing on both top and bottom, this switch features standard 1/8" MPT threading and dual spade terminals for...MSRP: $46.97$36.97 -
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 -
Tecmark 3903-DF Field Adjustable Pressure Switch 1A SPST 1/8"mpt - Gecko Compatible
HTPOFAmerica
MSRP: $46.99$36.99Field adjustable pressure switch designed for Gecko spa control systems and other hot tub applications. The Tecmark 3903-DF model provides reliable pressure sensing with customizable activation points.ManufacturerTridelta/TecmarkSwitch...MSRP: $46.99$36.99 -
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 -
Tecmark 4015 Pressure Switch 25A SPDT 1/8" Male Pipe Thread Plastic Hot Tub Spa
Hot Tub Parts or America
MSRP: $41.09$36.97Tecmark model 4015 pressure-activated switching component designed for spa and hot tub systems. This reliable control device features durable plastic construction and 1/8" male pipe threading for straightforward installation...MSRP: $41.09$36.97 -
25 Amp Pressure Switch 1/8" MPT High Current Hot Tub Spa Replacement Part
HTPOFAmerica
MSRP: $54.99$44.99This high-capacity 25 Amp Pressure Switch comes equipped with 1/8 inch MPT standard threading and dual spade terminals for simple two-wire electrical connections. Designed for universal compatibility, this pressure sensor works with Balboa, Gecko, ACC,...MSRP: $54.99$44.99 -
Universal 1 Amp Pressure Switch 1/8" MPT Thread Hot Tub Spa Replacement Part
HTPOFAmerica
MSRP: $43.99$29.99Tecmark 1 Amp Pressure Switch for Hot Tub and Spa ApplicationsThis universal pressure switch is designed for digital hot tub control systems with low amperage requirements. The switch features 1/8" MPT standard threads and dual spade connectors for...MSRP: $43.99$29.99 -
Catalina Spa FLO Error Code Troubleshooting Guide - Balboa Controls Diagnostic Tutorial Video
Spa Guy How To Videos
$0.00Learn how to troubleshoot and resolve FLO error codes on Catalina hot tubs equipped with Balboa Controls in this comprehensive diagnostic tutorial. This step-by-step instructional video demonstrates the complete process for identifying and fixing...$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: -
FLO Error Code Troubleshooting Video - Master Spa Pressure Switch Diagnosis & Repair Guide
Spa Guy How To Videos
$0.00Watch this comprehensive tutorial demonstrating professional diagnosis techniques for resolving FLO error codes on Master Spa hot tubs during initial startup. Learn step-by-step troubleshooting methods to identify a faulty pressure switch component...$0.00Qty in Cart: 0Quantity:Price:$0.00Subtotal: -
Hayward HeatPro Pool Heater Pressure Flow Switch HP20654T HP21104TC HP21404T HP21124T Replacement Part
HTPOFAmerica
MSRP: $99.99$72.99Genuine replacement pressure flow switch designed specifically for Hayward HeatPro pool heating systems. This critical safety component monitors water flow to ensure proper heater operation. Compatible with the following Hayward HeatPro models: HP20654T,...MSRP: $99.99$72.99 -
7 Inch Universal Pressure Switch Cable - SSPA, MSPA, T-MSPA & Hydroquip Compatible
HTPOFAmerica
MSRP: $43.99$29.99This replacement component is a Pressure Switch Cable measuring 7 inches in length. Designed as a universal fit, this cable works with most SSPA, MSPA, and T-MSPA control systems, plus select Hydroquip boards. Essential for maintaining proper pressure...MSRP: $43.99$29.99 -
Electronic Pressure Switch 1/8" MPT 1 Amp - Watkins Solana Caldera Hotspot 2006-Current
HTPOFAmerica
MSRP: $128.99$119.99This Electronic Pressure Switch fits Watkins Solana, Caldera & Hot Spot models from 2006 to Current and includes 1/8" MPT standard threads plus 2-pin connectors that attach to the 2-wire 3-hole connector compatible with Watkins Hawk circuit boards...MSRP: $128.99$119.99