Pentair 77707‑0421 Gas Orifice Kit for Max‑E‑Therm 333 Natural Gas Heater

Pentair 77707‑0421 Gas Orifice Kit for Max‑E‑Therm 333 Natural Gas Heater

Item Description:
The Pentair 77707‑0421 Gas Orifice Kit is a genuine OEM replacement designed for Sta‑Rite Max‑E‑Therm pool and spa heaters, specifically the 333K BTU natural gas model. This kit includes the correctly sized orifice and required O-ring to ensure manufacturer-specified fuel delivery and safe combustion performance.

Features:

• OEM replacement gas orifice kit from Pentair

• Ensures precise gas flow and reliable combustion

• Includes the properly sized orifice and sealing O-ring

• Supports heater safety and efficiency

Specifications:

• Part Number: 77707‑0421

• Fuel Type: Natural Gas (333K BTU rating)

• Kit Includes: Gas orifice and O‑ring

• Country of Origin: United States

Compatibility:

• Designed for use with Sta‑Rite Max‑E‑Therm Natural Gas Heater (333K BTU model)

Shipping: We ship within the continental US only, using USPS, FedEx, and UPS. Enjoy free shipping on all orders with a 1-day processing time. Delivery takes approximately 3-5 business days, and tracking information is emailed once your order ships. Currently, we do not offer international shipping.

Returns: You may return unused and unopened items within 30 days of delivery for a full refund or exchange. Please see our full Returns Policy here.

Warranty Assistance:
If the product is past the 30-day return window, we are still willing to assist with warranty claims. Please contact us for more information, and we will help guide you through the warranty process