Description
Balboa 1.25 PSI Tecmark Pressure Switch (36141)
The Balboa 1.25 PSI Tecmark Pressure Switch Assembly is a precision component built for reliable spa heater operation. Designed by Balboa Water Group, this adjustable switch ensures your hot tub or whirlpool heater activates only when there is adequate water pressure, preventing dry-fire and protecting heating elements while delivering consistent warmth to your spa experience.
Why this Tecmark pressure switch matters
In spa systems, the pressure switch is the gatekeeper that notifies the heater to fire. A correctly set 1.25 psi trigger means the heater responds to genuine water flow, reducing short cycling, extending component life, and delivering predictable heat. If your spa cold-starts or the heater shuts off prematurely, replacing a worn or out-of-spec switch with the 36141 can restore dependable performance.
What makes the 36141 switch unique
- Precise 1.25 psi activation ensures consistent heater engagement aligned with water pressure, reducing unnecessary wear.
- Tecmark design—a trusted Balboa approach that emphasizes reliability in spa and hot tub systems.
- Direct-fit replacement for Balboa spa heater configurations that use Tecmark pressure switches, streamlining service and maintenance.
- Part number clarity with 36141, helping technicians quickly identify the exact switch needed for warranty and compatibility checks.
Who should consider this replacement
- Spa owners experiencing heater cycling issues or temperature instability.
- Technicians assembling new spa builds or replacing worn components in Balboa-controlled systems.
- DIY enthusiasts replacing a failed pressure switch to restore safe and efficient heating.
Installation considerations and tips
For best results, confirm compatibility with your Balboa spa heater control system before installation. When replacing:
- Power down the spa and drain or relieve pressure as described in your service manual.
- Remove the old pressure switch, noting wiring connections for a clean transfer to the Tecmark 36141 assembly.
- Install the new switch in the same orientation and tighten connections to a secure, leak-free seal.
- Restore power and test the system with the spa unlocked and the water at normal operating level to verify correct activation, pressure triggering, and consistent heating.
Compared to alternatives
The 1.25 psi Tecmark switch prioritizes accurate pressure-based activation over generic, high-level specs. With its Balboa heritage, it’s designed to integrate smoothly with Balboa control electronics and Tecmark hardware, reducing calibration guesswork and the need for multiple parts or adapters tied to other brands.
Support and next steps
If you’re unsure which replacement part fits your Balboa system, Balboa Water Group replacements are supported by service teams and specialists who can confirm compatibility. For assistance identifying the right bath or spa heater replacement, you can reach out at 800-918-9143.
Balboa Adjustable 1.25 PSI Tecmark Pressure Switch Assembly (36141)
Balboa Water Group (BWG) is dedicated to providing only the highest quality bath and spa replacement products to their customers. Their bath and spa heater parts are no exception. Whether you are building your spa system or replacing a worn out part, Balboa has the solution for you. They design the Balboa products to provide the basic functionality that you need matched with the additional features that you want.
If you need assistance in finding the right bath or spa heater replacement product, give us a call at 800-918-9143 today!



