Raypak H000025 Water Pressure Switch Kit for Raypak 5100, 6100, and 5100TI pool heaters. Ensures safe operation by detecting proper water flow before ignition. Factory OEM-calibrated Tecmark 4045P-OODL K30F 824 switch for reliable performance.
Full Description:
The Raypak H000025 Water Pressure Switch is a genuine OEM factory replacement part designed for Raypak 5100, 6100, and 5100TI pool heaters.
This switch plays a critical safety role by verifying adequate water circulation before the heater ignites. If the water flow or pressure is insufficient, the switch interrupts the circuit to prevent overheating and damage to the heat exchanger.
Features
- Genuine Raypak® Factory OEM Replacement
- Specifically fits Raypak 5100, 6100, and 5100TI pool heaters
- Monitors water pressure and flow for safe operation
- Shuts off heater when pressure drops below safe levels
- Pre-calibrated and factory tested for precision
- Tecmark® 4045P-OODL model used in original Raypak builds
- Heavy-duty contacts rated for long service life
Technical Specifications
- Part Number: H000025
- UPC: 840891025719
- Manufacturer: Raypak® (A Rheem® Company)
- Switch Model: Tecmark 4045P-QODL
- Pressure Type: Water pressure safety switch
- Function: Opens circuit under low pressure; closes at normal flow
- Electrical Rating: 25A @ 240VAC
- Connection Type: 1/8” NPT brass fitting
- Preset Range: Factory-set for optimal system pressure
- Mounting: Standard threaded pressure port
Function
This water pressure switch ensures that the heater only operates when proper water circulation is present. If pressure falls below the safe operating threshold, the switch opens the electrical circuit—preventing ignition and protecting the heater components.
Compatibility
- Raypak 5100 Pool Heater
- Raypak 6100 Pool Heater
- Raypak 5100TI Titanium Pool Heater
- Also compatible with select Raypak commercial and residential pool heater models requiring the same OEM pressure control.
Safety & Installation
Installation must be performed by a qualified pool technician. Disconnect power before servicing. The switch is factory-calibrated—adjustment is not required or recommended unless directed by Raypak technical support.
We sells only brand new products; however, we do not provide any warranty coverage ourselves, nor do we guarantee manufacturer warranty eligibility.
It is the sole responsibility of the purchaser to verify whether a product qualifies for warranty coverage prior to making a purchase.
We strongly recommend contacting the product manufacturer directly to confirm warranty eligibility.
By completing your purchase, you acknowledge and agree that we are not liable for warranty coverage or support if the manufacturer refuses to honor the warranty based on their policies.

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