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APOLLO SAFETY RELIEF VALVE RVW40-50

Apollo SKU: RVW40-50

APOLLO SAFETY RELIEF VALVE RVW40-50

Apollo SKU: RVW40-50
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$69.99
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Questions about returns? View our return policy.
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Apollo RVW40-50 3/4" Bronze Safety Relief Valve - 50 PSI

The Apollo RVW40-50 Safety Relief Valve is a bronze 3/4" hot water relief valve designed to help protect compatible pool heaters, boilers, and hot water systems from excessive pressure. This valve is factory set at 50 PSI and features a 3/4" MNPT inlet with a 3/4" FNPT outlet.

This replacement safety relief valve is commonly used when the existing valve is leaking, corroded, stuck, damaged, or no longer operating properly. A properly functioning relief valve is an important safety component that helps relieve excess system pressure when required.

Product Features

  • Apollo RVW40 series safety relief valve
  • Part number: RVW40-50
  • 50 PSI pressure setting
  • 3/4" MNPT inlet x 3/4" FNPT outlet
  • Bronze body construction
  • 697,000 BTU/hr capacity
  • Maximum temperature rating of 250°F
  • Designed for hot water heating systems, pool heater applications, boilers, and similar equipment
  • Helps protect equipment from excessive pressure

Product Details

Brand Apollo
Model RVW40
Part Number RVW40-50
Product Type Safety Relief Valve
Pressure Setting 50 PSI
Connection Size 3/4"
Connection Type MNPT Inlet x FNPT Outlet
Body Material Bronze
Capacity 697,000 BTU/hr
Maximum Temperature 250°F
Application Pool heater, boiler, and hot water system pressure relief

Common Uses

  • Replacing a leaking pool heater relief valve
  • Replacing a worn or corroded hot water safety relief valve
  • Pressure protection on compatible pool heaters and hot water systems
  • Service replacement during heater or boiler maintenance
  • Correcting leaks from a relief valve discharge outlet

Important Notes

  • Verify the required pressure rating before ordering.
  • This valve is set at 50 PSI and should only be used where a 50 PSI relief valve is specified.
  • Verify inlet size, outlet size, thread type, and equipment requirements before installation.
  • This item is the safety relief valve only.
  • Discharge piping, adapters, thread sealant, and other plumbing parts are sold separately unless otherwise stated.
  • A leaking relief valve may indicate high system pressure, thermal expansion, debris in the valve seat, or a failed valve.
  • Never plug, cap, block, or disable a safety relief valve.

Installation Notes

  • Turn off all equipment before servicing the valve.
  • Allow heater or hot water equipment to cool before removal.
  • Relieve system pressure before removing the old valve.
  • Use proper thread sealant suitable for the application.
  • Install the valve in the correct orientation according to equipment and valve manufacturer instructions.
  • Route discharge piping safely according to local code and manufacturer requirements.
  • Do not reduce, plug, or restrict the discharge outlet.
  • Installation should be completed by a qualified pool heater technician, plumber, or licensed professional.

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Maintenance Tips

  • Inspect the relief valve periodically for leaks, corrosion, mineral buildup, or damage.
  • Replace the valve if it drips continuously, fails to reseat, or shows signs of corrosion.
  • Keep the discharge outlet clear and unobstructed.
  • Maintain proper pool water chemistry to help reduce scale buildup and corrosion.
  • If the relief valve opens repeatedly, have the system pressure and heater operation inspected before replacing parts unnecessarily.
Questions about returns? View our return policy.

Hours Of Operation:

Monday - Friday: 7:00 am to 5:00 pm Phoenix Time

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

  • We do not ship on Saturday or Sunday.
  • Orders totaling more than $300 will require signature confirmation upon delivery.
  • We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
  • Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
  • Expedited shipping options are available at checkout.

Return Policy:

  • Products that are received damaged will receive a refund in store credit.
  • Most products are eligible for return within 30 days of receipt, except where noted below.
  • To initiate a return, please complete an RMA form prior to sending your item back.
  • Original shipping costs are non-refundable and will be deducted from the return credit.
  • Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
  • Some returns will be charged an automatic 15% restocking fee.
  • We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
  • Please complete the return form to receive your RMA number and return shipping label.
  • Chemical products are not eligible for return under any circumstances.
  • The Pentair Colorsync 618031 is not eligible for return.
  • Pool cleaners are not eligible for return.
  • Opened seals and o-rings are not eligible for return.
  • Capacitors are not eligible for return.
  • Plastic popup tools are not eligible for return.
  • Automation components and circuit boards are not eligible for return.
  • If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
  • Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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