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Hayward H400FDN Universal H-Series, Low NOx, 400,000 BTU, Natural Gas, Pool and Spa Heater - H400FDN

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( 1 review) | Write a Review

The Hayward Universal H-Series Low NOx 400,000 BTU Natural Gas Pool and Spa Heater is an eco-friendly heater built for energy savings and reliability.

$1,874.99

Regular Price: $2,099.99

Sku #: H400FDN

Free Shipping on this item

Pentair 460347 MiniMax 100 100,000 BTU, Natural Gas, Electronic Ignition Pool and Spa Heater Sku #: 460347	Pentair 460348 MiniMax 100 100,000 BTU, Propane Gas, Electronic Ignition Pool and Spa Heater Sku #: 460348	Pentair 460353 MiniMax 100 100,000 BTU, Propane Millivolt Ignition Pool and Spa Heater Sku #: 460353	Hayward H100ID1 H-Series 100,000 BTU, Natural Gas, Above Ground Pool and Spa Heater Sku #: H100ID1 (1 rating)
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Hayward H100IDP1 H-Series 100,000 BTU, Propane Gas, Above Ground Pool and Spa Heater Sku #: H100IDP1 (3 ratings)	Pentair 460352 MiniMax 100 100,000 BTU, Natural Gas, Millivolt Ignition Pool and Spa Heater Sku #: 460352	Jandy LRZ125MPNH Legacy LRZ 125,000 BTU, Millivolt, Propane Gas, Polymer Header Pool and Spa Heater for 5,000-10,000' Elevations Sku #: LRZ125MPNH	Jandy LRZ125EN Legacy LRZ 125,000 BTU, Digital, Natural Gas, Polymer Header Pool and Spa Heater Sku #: LRZ125EN (2 ratings)
Price: $871.99 Free Shipping!	Price: $882.99 Free Shipping!	Price: $1,137.99 Free Shipping!	Price: $1,138.99 Free Shipping!

Jandy LRZ125EP Legacy LRZ 125,000 BTU, Digital, Propane Gas, Polymer Header Pool and Spa Heater Sku #: LRZ125EP (1 rating)	Jandy LRZ125MP Legacy LRZ 125,000 BTU, Millivolt, Propane Gas, Polymer Header Pool and Spa Heater Sku #: LRZ125MP	Jandy LRZ125EN-H Legacy LRZ 125,000 BTU, Digital, Natural Gas, Polymer Header Pool and Spa Heater for 3,000-6000' Elevations Sku #: LRZ125EN-H	Jandy LRZ125MN Legacy LRZ 125,000 BTU, Millivolt, Natural Gas, Polymer Header Pool and Spa Heater Sku #: LRZ125MN
Price: $1,148.99 Free Shipping!	Price: $1,156.99 Free Shipping!	Price: $1,162.99 Free Shipping!	Price: $1,189.99 Free Shipping!

Jandy LRZ175MP Legacy LRZ 175,000 BTU, Millivolt, Propane Gas, Polymer Header Pool and Spa Heater Sku #: LRZ175MP	Coates 32415CE CE Series 37 Amp Three Phase, Pool and Spa Heater for 240V Sku #: 32415CE	Coates 32015CE CE Series 15kW, 208V, 42 Amp, Three Phase, Pool and Spa Heater Sku #: 32015CE	Jandy LRZ125ENN Legacy LRZ 125,000 BTU, Digital, Natural Gas, Cupro-Nickel Tubes, Polymer Header Pool and Spa Heater Sku #: LRZ125ENN
Price: $1,247.99 Free Shipping!	Price: $1,279.99 Free Shipping!	Price: $1,279.99 Free Shipping!

Jandy LRZ125EPN Legacy LRZ 125,000 BTU, Digital, Propane Gas, Cupro-Nickel Tubes, Polymer Header Pool and Spa Heater Sku #: LRZ125EPN	Coates 34815CE CE Series 15kW, 480V, 15 Amp, Three Phase, Pool and Spa Heater Sku #: 34815CE	Jandy LRZ175MN Legacy LRZ 175,000 BTU, Millivolt, Natural Gas, Polymer Header Pool and Spa Heater Sku #: LRZ175MN	Coates 12412CE CE Series 12kW, 240V, 50 Amp, Single Phase, Pool and Spa Heater Sku #: 12412CE
Price: $1,292.99 Free Shipping!	Price: $1,337.99 Free Shipping!	Price: $1,358.99 Free Shipping!	Price: $1,369.99 Free Shipping!

Jandy LRZ175EN Legacy LRZ 175,000 BTU, Digital, Natural Gas, Polymer Header Pool and Spa Heater Sku #: LRZ175EN	Coates 32012CE CE Series 12kW, 208V, 34 Amp, Three Phase, Pool and Spa Heater Sku #: 32012CE	Coates 32018CE CE Series 18kW, 208V, 50 Amp, Three Phase, Pool and Spa Heater Sku #: 32018CE	Jandy LRZ175EP Legacy LRZ 175,000 BTU, Digital, Propane Gas, Polymer Header Pool and Spa Heater Sku #: LRZ175EP
Price: $1,378.99 Free Shipping!	Price: $1,384.99 Free Shipping!	Price: $1,390.99 Free Shipping!	Price: $1,408.99 Free Shipping!

Coates 12418CE CE Series 18kW, 240V, 75 Amp, Single Phase, Pool and Spa Heater Sku #: 12418CE	Jandy LRZ125ENC Legacy LRZ 125,000 BTU, Digital, Natural Gas, Bronze Headers, Copper Tubes, ASME Certified Pool and Spa Heater Sku #: LRZ125ENC	Coates 34812CE CE Series 12kW, 480V, 15 Amp, Three Phase, Pool and Spa Heater Sku #: 34812CE	Jandy LRZ175ENN Legacy LRZ 175,000 BTU, Digital, Natural Gas, Cupro-Nickel Tubes, Polymer Header Pool and Spa Heater Sku #: LRZ175ENN
Price: $1,422.99 Free Shipping!	Price: $1,436.99 Free Shipping!	Price: $1,458.99 Free Shipping!	Price: $1,475.99 Free Shipping!

Coates 34818CE CE Series 18kW, 480V, 22 Amp, Three Phase, Pool and Spa Heater Sku #: 34818CE	Jandy LRZ250MP Legacy LRZ 250,000 BTU, Millivolt, Propane Gas, Polymer Header Pool and Spa Heater Sku #: LRZ250MP	Jandy LRZ250EN Legacy LRZ 250,000 BTU, Digital, Natural Gas, Polymer Header Pool and Spa Heater Sku #: LRZ250EN (1 rating)	Jandy LRZ250MN Legacy LRZ 250,000 BTU, Millivolt, Natural Gas, Polymer Header Pool and Spa Heater Sku #: LRZ250MN
Price: $1,492.99 Free Shipping!	Price: $1,503.99 Free Shipping!	Price: $1,549.99 Free Shipping!	Price: $1,553.99 Free Shipping!

Coates 12415CE CE Series 15kW, 240V, 63 Amp, Single Phase, Pool and Spa Heater Sku #: 12415CE	Jandy LRZ175EPN Legacy LRZ 175,000 BTU, Digital, Propane Gas, Cupro-Nickel Tubes, Polymer Header Pool and Spa Heater Sku #: LRZ175EPN (1 rating)	Jandy LRZ175ENC Legacy LRZ 175,000 BTU, Digital, Natural Gas, Bronze Headers, Copper Tubes, ASME Certified Pool and Spa Heater Sku #: LRZ175ENC	Jandy LRZ250EP Legacy LRZ 250,000 BTU, Digital, Propane Gas, Polymer Header Pool and Spa Heater Sku #: LRZ250EP
Price: $1,563.99 Free Shipping!	Price: $1,568.99 Free Shipping!	Price: $1,589.99 Free Shipping!	Price: $1,596.99 Free Shipping!

Jandy LRZ325EP Legacy LRZ 325,000 BTU, Digital, Propane Gas, Polymer Header Pool and Spa Heater Sku #: LRZ325EP	Jandy LRZ125EPC Legacy LRZ 125,000 BTU, Digital, Propane Gas, Bronze Headers, Copper Tubes, ASME Certified Pool and Spa Heater Sku #: LRZ125EPC	Coates 32024CPH CPH Series 24kW, 208V, 67 Amp, Three Phase, Pool Heater Sku #: 32024CPH	Jandy LRZ325MN Legacy LRZ 325,000 BTU, Millivolt, Natural Gas, Polymer Header Pool and Spa Heater Sku #: LRZ325MN
Price: $1,625.99 Free Shipping!	Price: $1,632.99 Free Shipping!	Price: $1,670.99 Free Shipping!	Price: $1,675.99 Free Shipping!

Jandy LRZ325MP Legacy LRZ 325,000 BTU, Millivolt, Propane Gas, Polymer Header Pool and Spa Heater Sku #: LRZ325MP	Jandy LRZ325EN Legacy LRZ 325,000 BTU, Digital, Natural Gas, Polymer Header Pool and Spa Heater Sku #: LRZ325EN	Coates 34824CPH CPH Series 24kW, 480V, 29 Amp, Three Phase, Pool Heater Sku #: 34824CPH	Coates 32030CPH CPH Series 30kW, 208V, 84 Amp, Three Phase, Pool Heater Sku #: 32030CPH
Price: $1,686.99 Free Shipping!	Price: $1,708.99 Free Shipping!	Price: $1,712.99 Free Shipping!	Price: $1,722.99 Free Shipping!

Coates 32424CPH CPH Series 58 Amp Three Phase, Pool Heater for 240V Sku #: 32424CPH	Jandy LRZ250EPN Legacy LRZ 250,000 BTU, Digital, Propane Gas, Cupro-Nickel Tubes, Polymer Header Pool and Spa Heater Sku #: LRZ250EPN	Coates 34830CPH CPH Series 30kW, 480V, 37 Amp, Three Phase, Pool Heater Sku #: 34830CPH	Jandy LRZ250ENN Legacy LRZ 250,000 BTU, Digital, Natural Gas, Cupro-Nickel Tubes, Polymer Header Pool and Spa Heater Sku #: LRZ250ENN
Price: $1,738.99 Free Shipping!	Price: $1,740.99 Free Shipping!	Price: $1,741.99 Free Shipping!	Price: $1,788.99 Free Shipping!

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Hayward H400FDN Universal H-Series, Low NOx, 400,000 BTU, Natural Gas, Pool and Spa Heater - H400FDN