Raypak 336A Digital NG Heater 336K BTU

Raypak 336A Digital NG Heater 336K BTUThe Raypak 009218 (P R336A EN C) is a 336,000 BTU natural gas residential pool and spa heater built for straightforward performance and reliable season to season use. It's a solid choice for mid to large inground pools, with digital controls, electronic ignition, and Raypak's proven low profile outdoor design. This is the standard copper exchanger polymer header configuration the right pick for chlorinated pools with well maintained water chemistry.

The Raypak 009218 (P-R336A-EN-C) is a 336,000 BTU natural gas residential pool and spa heater built for straightforward performance and reliable season-to-season use. It's a solid choice for mid-to-large inground pools, with digital controls, electronic ignition, and Raypak's proven low-profile outdoor design. This is the standard copper exchanger / polymer header configuration — the right pick for chlorinated pools with well-maintained water chemistry.

Key Features

• 332,500 BTU natural gas input — electronic spark-to-pilot ignition fires only on call for heat, conserving gas between cycles
• Copper fin tube heat exchanger with polymer headers — fully nonferrous waterway with stainless steel tube sheets; no rust contamination in pool water
• ProTek Shield module included — sacrificial protection for the heat exchanger, replaceable to extend heater life
• Microprocessor digital controls with self-diagnostics — plain-English display readouts, remote compatible with any 2- or 3-wire system, built-in voltmeter and run-time/cycle meter
• Unitherm Governor + automatic bypass — prevents condensation, sooting, and scale buildup; handles up to 125 GPM without modification

Pair with a pool automation system using a standard 2- or 3-wire remote connection — the 009218 integrates cleanly with most major control platforms out of the box.

This model uses a copper heat exchanger and is not recommended for saltwater pools. For salt water or aggressive water chemistry, see the cupronickel model 014940 instead. Professional installation by a licensed contractor is required — and warranty registration must be completed — to receive the full 2-year parts and labor warranty.