Pentair MasterTemp Pool Heater High Limit Switch | 42001-0063S
Pentair
SKU: PEN420010063S
Pentair High‑Limit Switch – Model 42001‑0063S
The Pentair 42001‑0063S is an OEM high‑limit safety switch designed for use in select Sta‑Rite Max‑E‑Therm and Pentair MasterTemp pool & spa heaters. It monitors high temperatures in the heater system and interrupts the electrical circuit if safe thresholds are exceeded.
Key Features:
- Fail‑safe thermal cut‑off switch for heater control systems
- Direct replacement part: 42001‑0063S
- Compatible with Sta‑Rite Max‑E‑Therm and Pentair MasterTemp heater electrical assemblies
Technical Specifications:
- Model / SKU: 42001‑0063S
- Function: High‑limit electrical switch — opens the circuit when the water or heat exchanger exceeds set temperature
- Application: Sta‑Rite Max‑E‑Therm (SR‑series) and Pentair MasterTemp heaters
- Warranty: 1 year limited (check manufacturer terms)
Maintenance Tip: When servicing the heater, always turn off power first. Verify correct part number and settings. Inspect thermal switch for signs of overheating or discoloration. Replace immediately if the heater displays a “HLS” error code or if the switch shows evidence of thermal stress. After installation, perform a system test run to confirm heater resets properly and all safeties are functioning.
SKU: 42001-0063S
Hours Of Operation:
Monday - Friday: 8:00 am to 4:00 pm Phoenix Time
Saturday and Sunday: Closed
- Orders costing more than $300 WILL be required to have signature confirmation upon delivery.
- Handling time is typically only 1 day.
- Any item ordered after 1pm Phoenix time, may not ship same-day.
- Call us if you require expedited shipping and we can give you quotes based on your needs.
Return Policy:
- All products, except as noted below, are eligible for return up to 30 days after receipt of item.
- For returns, an RMA form must be filled out HERE or customers can call for additional help.
- Shipping costs will be deducted from all returned items.
- Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in.
- Items broken, damaged, or inoperable due to installer error will not be refunded.
- Fill out the return form or give us a call to obtain an RMA and return shipping label.
- There are no returns on the Pentair Colorsync 618031
- No returns on pool cleaners.
- No returns on opened seals and o-rings.
- No returns on capacitors.
- If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
- All products denied upon arrival at customers house WILL be charged the cost to ship.
- Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.
Related Products
