Product Overview

The Pentair MasterTemp 200 Natural Gas Heater 460730 is a compact, high-performance pool and spa heater designed to deliver fast, reliable heating for residential pool systems. With 200,000 BTUs of heating power, natural gas operation, and 120/240 VAC electrical capability, this heater is a strong option for pool owners who want dependable heat in a space-saving equipment pad design.

The MasterTemp 200 is built with digital controls, hot-surface ignition, low NOx performance, and a rust-resistant composite exterior, making it a proven choice for efficient residential pool and spa heating.

Ideal For

Residential in-ground pools

Pool and spa combination systems

Homeowners upgrading from an older gas heater

Natural gas pool heating applications

Compact equipment pads

Customers wanting fast water warm-up

Pool systems needing a 200K BTU heater

Key Features

200,000 BTU natural gas heating performance

120/240 VAC electrical capability

Compact MasterTemp cabinet design

Digital control panel for easy temperature adjustment

Hot-surface ignition with no standing pilot

Low NOx certified heater design

Rust-resistant composite exterior

Quiet operation compared to many older-style gas heaters

Direct connection to Schedule 40 PVC plumbing

Built for residential pool and spa heating

Benefits

The Pentair MasterTemp 200 gives pool owners strong heating performance without the oversized footprint of many older gas heaters. Its 200K BTU rating helps warm pool and spa water quickly, while the digital control system makes temperature management simple.

The compact cabinet is useful for tighter equipment pads, and the low NOx design helps meet modern emissions requirements in many areas. This model is ideal when a customer needs more heating power than a 125K heater but does not need a larger 300K or 400K unit.

Specifications

Compatibility & Ordering Notes

Confirm this is the correct natural gas model before ordering.

Verify that 200,000 BTUs is properly sized for the pool or spa.

Confirm gas line size, gas supply, electrical requirements, plumbing layout, venting requirements, equipment pad clearances, and local code requirements.

This model is not for propane systems. For propane, use the correct propane MasterTemp model.

Professional installation is strongly recommended.

Installed or used heaters may not be eligible for return.

Customer-Facing Q&A

Q: Is Pentair 460730 natural gas or propane?
A: Pentair 460730 is the natural gas version of the MasterTemp 200 heater.

Q: How many BTUs is this heater?
A: This heater is rated at 200,000 BTUs.

Q: Can this heater run on 120V or 240V?
A: Yes. This model is designed for 120/240 VAC operation.

Q: Does this heater use a standing pilot light?
A: No. The MasterTemp 200 uses hot-surface ignition, so there is no standing pilot.

Q: Is this heater good for larger pools?
A: The 200K BTU size is a good fit for many residential pools and pool/spa systems. Very large pools or customers wanting faster heat-up may need a larger BTU heater.

Q: Is professional installation required?
A: Professional installation is strongly recommended because this is a gas appliance and requires proper gas, electrical, plumbing, venting, and safety setup.

Q: What should I verify before ordering?
A: Confirm fuel type, BTU sizing, gas line size, electrical requirements, plumbing compatibility, installation clearances, and local code requirements.